O.

O. The fourth class of rating on Lloyd's books for the comparative

excellence of merchant ships. But insured vessels are rarely so low.

(_See_ A.)

O! OR HO! An interjection commanding attention or possibly the cessation

of any action.

OAK. _Quercus_, the valuable monarch of the woods. "Hearts of oak are

our ships," as the old song says.

OAKUM [from the Anglo-Saxon _aecumbe_]. The state into which old ropes

are reduced when they are untwisted and picked to pieces. It is

principally used in caulking the seams, for stopping leaks, and for

making into twice-laid ropes. Very well known in workhouses.--_White

Oakum._ That which is formed from untarred ropes.

OAKUM-BOY. The caulker's apprentice, who attends to bring oakum, pitch,

&c.

OAR. A slender piece of timber used as a lever to propel a boat through

the water. The blade is dipped into the water, while the other end

within board, termed the loom, is small enough to be grasped by the

rower. The _silver oar_ is a badge of office, similar to the staff of a

peace-officer, which on presentation, enables a person intrusted with a

warrant to serve it on board any ship he may set foot upon.--_To boat

the oars_, is to cease rowing and lay the oars in the boat.--_Get your

oars to pass!_ The order to prepare them for rowing, or shipping them.

OAR, TO SHOVE IN AN. To intermeddle, or give an opinion unasked.

OAR-PROPULSION. The earliest motive power for vessels; it may be by the

broadside in rowlocks abeam, by sweeps on the quarters fore and aft, or

by sculling with one oar in the notch of the transom amidships. (_See_

STERN-OAR.)

OARS! The order to cease rowing, by lifting the oars from the water, and

poising them on their looms horizontally in their rowlocks.--_Look to

your oars!_ Passing any object or among sea-weed.--_Double-banked oars_

(which see).

OASIS. A fertile spot in the midst of a sandy desert.

OATH. A solemn affirmation or denial of anything, before a person

authorized to administer the same, for discovery of truth and right.

(_See_ CORPORAL OATH.) Hesiod ascribes the invention of oaths to

discord. The oath of supremacy and of the Protestant faith was formerly

taken by an officer before he could hold a commission in the royal navy.

OAZE. Synonymous with the Ang.-Sax. _wase_ when applied to mud. (_See_

OOZE.)

OBEY. A word forming the fulcrum of naval discipline.

OBI. A horrible sorcery practised among the negroes in the West Indies,

the infliction of which by a threat from the juggler is sufficient to

lead the denounced victim to mental disease, despondency, and death.

Still the wretched trash gathered together for the obi-spell is not more

ridiculous than the amulets of civilized Europe.

OBLATE. Compressed or flattened.

OBLIGATION. A bond containing a penalty, with a condition annexed for

payment of money or performance of covenants.

OBLIMATION. The deposit of mud and silt by water.

OBLIQUE-ANGLED TRIANGLE. Any other than a right-angled triangle.

OBLIQUE ASCENSION. An arc between the first point of Aries and that

point of the equator which comes to the horizon with a star, or other

heavenly body, reckoned according to the order of signs. It is the sum

or difference of the right ascension and ascensional difference.

OBLIQUE BEARINGS. Consist in determining the position of a ship, by

observing with a compass the bearings of two or more objects on the

shore whose places are given on a chart, and drawing lines from those

places, so as to make angles with their meridians equal to the observed

bearings; the intersection of the line gives on the chart the position

of the ship. This is sometimes called the method of cross-bearings.

OBLIQUE SAILING. Is the reduction of the position of the ship from the

various courses made good, oblique to the meridian or parallel of

latitude. If a vessel sails north or south, it is simply a distance on

the meridian. If east or west, on the parallel, and refers to parallel

sailing. If oblique, it is solved by middle latitude, or Mercator

sailing.

OBLIQUE STEP. A movement in marching, in which the men, while advancing,

gradually take ground to the right or left.

OBLIQUITY OF THE ECLIPTIC. The angle between the planes of the ecliptic

and the equator, or the inclination of the earth's equator to the plane

of her annual path, upon which the seasons depend: this amounts at

present to about 23 deg. 27'.

OBLONG SQUARE. A name improperly given to a parallelogram. (_See_

THREE-SQUARE.)

OBSERVATION. In nautical astronomy, denotes the taking the sun, moon, or

stars' altitude with a quadrant or sextant, in order thereby to find the

latitude or time; also, the lunar distances.

OBSERVE, TO. To take a bearing or a celestial observation.

OBSIDIONAL CROWN. The highest ancient Roman military honour; the

decoration of the chief who raised a siege.

OBSTACLES. Chains, booms, abattis, snags, palisades, or anything placed

to impede an enemy's progress. Unforeseen hindrances.

OBTURATOR. A cover or valve in steam machinery.

OBTUSE ANGLE. One measuring above 90 deg., and therefore beyond a right

angle; called by shipwrights _standing bevellings_.

OBTUSE-ANGLED TRIANGLE. That which has one obtuse angle.

OCCIDENT. The west.

OCCULTATION. One heavenly body eclipsing another; but in nautical

astronomy it is particularly used to denote the eclipses of stars and

planets by the moon.

OCCUPY, TO. To take military possession.

OCEAN. This term, in its largest sense, is the whole body of salt water

which encompasses the globe, except the collection of inland seas,

lakes, and rivers: in a word, that glorious type of omnipotent power,

whether in calm or tempest:--

"Dark, heaving, boundless, endless, and sublime,

The image of Eternity."

In a more limited sense it is divided into--1. The Atlantic Ocean. 2.

The Pacific Ocean. 3. The Indian Ocean. 4. The Southern Ocean.

OCEAN-GOING SHIP. In contradistinction to a coaster.

OCHRAS. A Gaelic term for the gills of a fish.

OCTAGON. A geometrical figure which has eight equal sides and angles.

ODHARAG. The name of the young cormorant in our northern isles.

OE. An island [from the Ang.-Sax.] _Oes_ are violent whirlwinds off the

Faeroe Islands, said at times to raise the water in syphons.

OFERLANDERS. Small vessels on the Rhine and the Meuse.

OFF. The opposite to _near_. Also applied to a ship sailing from the

shore into the open sea. Also, implies abreast of, or near, as "We were

off Cape Finisterre."--_Nothing off!_ The order to the helmsman not to

suffer the ship to fall off from the wind.

OFFAL. Slabs, chips, and refuse of timber, sold in fathom lots at the

dockyards.

OFF AND ON. When a ship beating to windward approaches the shore by one

board, and recedes from it when on the other. Also used to denote an

undecided person. Dodging off a port.

OFF AT A TANGENT. Going in a hurry, or in a testy humour.

OFF DUTY. An officer, marine, or seaman in his watch below, &c. An

officer is sometimes put "off duty" as a punishment.

OFFENCES. Crimes which are not capital, but by the custom of the service

come under the articles of war.

OFFICER. A person having some command. A term applied both in the royal

and mercantile navies to any one of a ship's company who ranks above the

fore-mast men.

OFFICER OF THE DAY. A military officer whose immediate duty is to attend

to the interior economy of the corps to which he belongs, or of those

with which he may be doing duty.

OFFICER OF THE WATCH. The lieutenant or other officer who has charge of,

and commands, the watch.

OFFICERS' EFFECTS. The effects of officers who die on board are not

generally sold; but should they be submitted to auction, the sale is to

be confined entirely amongst the officers.

OFFICIAL LETTERS. All official letters which are intended to be laid

before the commander-in-chief, must be signed by the officers

themselves, specifying their rank under their signatures. All

applications from petty officers, seamen, and marines, relative to

transfer, discharge, or other subjects of a similar nature, are to be

made through the captain or commanding officer. They ought to be written

on foolscap paper, leaving a margin, to the left hand, of one-fourth of

the breadth, and superscribed on the cover "On H. M. Service."

OFFING. Implies to sea-ward; beyond anchoring ground.--_To keep a good

offing_, is to keep well off the land, while under sail.

OFF-RECKONING. A proportion of the full pay of troops retained from

them, in special cases, until the period of final settlement, to cover

various expected charges (for ship-rations and the like).

OFF SHE GOES! Means run away with the purchase fall. Move to the tune of

the fifer. The first move when a vessel is launched.

OFF THE REEL. At once; without stopping. In allusion to the way in which

the log-line flies off the reel when a ship is sailing fast.

OFFWARD. The situation of a ship which lies aground and leans from the

shore; "the ship heels offward," and "the ship lies with her stern to

the offward," is when her stern is towards the sea.

OGEE. In old-pattern guns, the doubly curved moulding added, by way of

finish, to several of the rings.

OGGIDENT. Jack's corruption of _aguardiente_ [Sp.], a fiery and very

unwholesome spirit.

OIL-BUTT. A name for the black whale.

OILLETS, OR [OE]ILLETS. Apertures for firing through, in the walls of a

fort.

OITER. A Gaelic word still in use for a sand-bank.

OJANCO SNAPPER. A tropical fish of the Mesoprion family, frequenting the

deep-water banks of the West Indies.

OKE. A Levant weight of 2-3/4 lbs., common in Mediterranean commerce.

OLD COUNTRY. A very general designation for Great Britain among the

Americans. The term is never applied to any part of the continent of

Europe.

OLD HAND. A knowing and expert person.

OLD HORSE. Tough salt-beef.

OLD ICE. In polar parlance, that of previous seasons.

OLD-STAGER. One well initiated in anything.

OLD-STAGERISM. An adherence to established customs; sea conservatism.

OLDSTERS. In the old days of cockpit tyranny, mids of four years'

standing, and master's-mates, &c., who sadly bullied the youngsters.

OLD WIFE. A fish about 2 feet long, and 9 inches high in the back,

having a small mouth, a large eye, a broad dorsal fin, and a blue body.

Also, the brown long-tailed duck of Pennant.

OLD WOMAN'S TOOTH. A peculiar chisel for stub morticing.

OLERON CODE. A celebrated collection of maritime laws, compiled and

promulgated by Richard C[oe]ur-de-Lion, at the island of Oleron, near

the coast of Poitou, the inhabitants of which have been deemed able

mariners ever since. It is reckoned the best code of sea-laws in the

world, and is recorded in the black book of the admiralty.

OLICK. The torsk or tusk, _Gadus callarias_.

OLIVER. A west-country term for a young eel.

OLPIS. A classic term for one who, from a shore eminence, watched the

course which shoals of fish took, and communicated the result to the

fishers. (_See_ CONDER.)

OMBRE. A fish, more commonly called grayling, or _umber_.

ON. The sea is said to be "on" when boisterous; as, there is a high sea

on.

ON A BOWLINE. Close to the wind, when the sail will not stand without

hauling the bowlines.

ONAGER. An offensive weapon of the middle ages.

ON A WIND. Synonymous with _on a bowline_.

ON BOARD. Within a ship; the same as _aboard_.

ONCIA. A gold coin of Sicily; value three ducats, or 10_s._ 10_d._

sterling.

ONCIN. An offensive weapon of mediaeval times, consisting of a staff with

a hooked iron head.

ON DECK THERE! The cry to call attention from aloft or below.

ONE-AND-ALL. A mutinous sea-cry used in the Dutch wars. Also, a rallying

call to put the whole collective force on together.

ON EITHER TACK. Any way or every way; a colloquialism.

ON END. The same as _an-end_ (which see). Top-masts and topgallant-masts

are on end, when they are in their places, and sail can be set on them.

ONE O'CLOCK. _Like one o'clock._ With speed; rapidly.

ONERARIAE. Ancient ships of burden, with both sails and oars.

ONE, TWO, THREE! The song with which the seamen bowse out the bowlines;

the last haul being completed by belay O!

ONION-FISH. The _Cepola rubescens_, whose body peels into flakes like

that vegetable. It is of a pale red colour.

ON SERVICE. On duty.

ON-SHORE WINDS. Those which blow from the offing, and render bays

uncomfortable and insecure.

ON THE BEAM. Implies any distance from a ship on a line with her beams,

or at right angles with the keel.

ON THE BOW. At any angle on either side of the stem up to 45 deg.; then

it is either four points on the bow, or four points before the beam.

ON THE QUARTER. Being in that position with regard to a ship, as to be

included in the angles which diverge from right astern, to four points

towards either quarter.

OOMIAK. A light seal-skin Greenland boat, generally worked in fine

weather by the women, but in bad weather by the men.

OPEN. The situation of a place which is exposed to the wind and sea.

Also, applied in meteorology, to mild weather. Also, open to attack, not

protected. Also, said of any distant visible object.

OPEN HAWSE. When a vessel rides by two anchors, without any cross in her

cables.

OPEN ICE. Fragments of ice sufficiently separate to admit of a ship

forcing or boring through them under sail.

OPENING TRENCHES. The first breaking of ground by besiegers, in order to

carry on their approaches towards a besieged place.

OPEN LIST. One of a ship's books, which contains the whole of the names

of the actual officers and crew, in order to regulate their victualling.

The crew are mustered by the open list.

OPEN LOWER DECKERS, TO. To fire the lower tier of guns. Also said of a

person using violent language.

OPEN ORDER. Any distance ordered to be preserved among ships, exceeding

a cable's length.

OPEN PACK. A body of drift ice, the pieces of which, though very near

each other, do not generally touch. It is opposed to close pack.

OPEN POLICY. Where the amount of the interest of the insured is not

fixed by the policy, but is left to be ascertained by the insured, in

case a loss shall happen.

OPEN ROADSTEAD. A place of hazard, as affording no protection either

from sea or wind.

OPERATIONS. Field movements, whether offensive or defensive.

OPHIUCHUS. One of the ancient constellations, of which the lucida is

_Ras-al-ague_, one of the selected nautical objects at Greenwich. This

asterism is sometimes called _Serpentarius_, its Latin name, instead of

its Greek.

OPINION. An experienced witness, who never saw the ship, yet may legally

prove that from the description of her by another witness she was not

sea-worthy.

OPOSSUM-SHRIMP. A crustacean, so named from its young being carried

about in a sort of pouch for some little time after being hatched; the

_Mysis flexuosus_ of naturalists.

OPPIGNORATION. The pawning of part of the cargo to get money for the

payment of the duty on the remainder.

OPPOSITE TACKS. Making contrary boards. Also, a colloquialism for cross

purposes.

OPPOSITION. A celestial body is said to be in opposition to the sun when

their longitudes differ 180 deg., or half the circumference of the

heavens.

OPTICK. An old term for a magnifying-glass.

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