5. Having the nature of a planet; erratic; revolving; wandering.
"Erratical and planetary life." Fuller.
Planetary days, the days of the week as shared among the planets known
to the ancients, each having its day. Hutton. -- Planetary nebula, a
nebula exhibiting a uniform disk, like that of a planet.
Plan"et*ed, a. Belonging to planets. [R.] Young.
{ Pla*net"ic (?), Pla*net"ic*al (?), } a. [L. planeticus, Gr. &?;.] Of
or pertaining to planets. Sir T. Browne.
Plan"et*oid (?), n. [Planet + -oid.] (Astron.) A body resembling a
planet; an asteroid.
Plan"et*oid*al (?), a. Pertaining to a planetoid.
Plane" tree` (?). (Bot.) Same as 1st Plane.
{ Plan"et-strick`en (?), Plan"et-struck` (?), } a. Affected by the
influence of planets; blasted. Milton.
Like planet-stricken men of yore He trembles, smitten to the core
By strong compunction and remorse.
Wordsworth.
Plan"et*ule (?), n. A little planet. [R.] Conybeare.
Plan"gen*cy (?), n. The quality or state of being plangent; a beating
sound. [R.]
Plan"gent (?), a. [L. plangens, -entis, fr. plangere to beat. See
Plaint.] Beating; dashing, as a wave. [R.] "The plangent wave." H.
Taylor.
{ Plan"i- (?), Plan"o- (?) }. [L. planus. See Plane, a.] Combining
forms signifying flat, level, plane; as planifolious, planimetry,
plano- concave.
Plan`i*fo"li*ous (?), a. [Plani- + L. folium leaf.] (Bot.) Flat-leaved.
Plan"i*form (?), a. (Anat.) Having a plane surface; as, a planiform,
gliding, or arthrodial articulation.
Pla*nim"e*ter (?), n. [Plani- + -meter. Cf. Planometer.] An instrument
for measuring the area of any plane figure, however irregular, by
passing a tracer around the bounding line; a platometer.
{ Plan`i*met"ric (?; 277), Plan`i*met"ric*al (?), } a. [Cf. F.
planimÈtrique.] Of or pertaining to planimetry.
Pla*nim"e*try (?), n. [Cf. F. planimÈtrie.] The mensuration of plane
surfaces; -- distinguished from stereometry, or the mensuration of
volumes.
Plan"ing (?), a. & vb. n. fr. Plane, v. t.
Planing machine. (a) See Planer. (b) A complex machine for planing
wood, especially boards, containing usually a rapidly revolving cutter,
which chips off the surface in small shavings as the piece to be planed
is passed under it by feeding apparatus.
Pla`ni*pen"nate (?), a. Of or pertaining to Planipennia.
||Pla`ni*pen"ni*a (?), n. pl. [NL., fr. L. planus plane + penna wing.]
||(Zoˆl.) A suborder of Neuroptera, including those that have broad,
||flat wings, as the ant-lion, lacewing, etc. Called also Planipennes.
Plan`i*pet"al*ous (?), a. [Plani- + petal.] (Bot.) Having flat petals.
Plan"ish (?), v. t. [imp. & p. p. Planished (?); p. pr. & vb. n.
Planishing.] [OF. planir, F. planer. See Plane, v., and -ish.] To make
smooth or plane, as a metallic surface; to condense, toughen, and
polish by light blows with a hammer.
Plan"ish*er (?), n. One who, or that which, planishes. Weale.
Plan"ish*ing, a. & vb. n. from Planish, v. t.
Planishing rolls (Coining), rolls between which metal strips are passed
while cold, to bring them to exactly the required thickness.
Plan"i*sphere (?), n. [Plani- + sphere: cf. F. planisphËre. See Plain,
and Sphere.] The representation of the circles of the sphere upon a
plane; especially, a representation of the celestial sphere upon a
plane with adjustable circles, or other appendages, for showing the
position of the heavens, the time of rising and setting of stars, etc.,
for any given date or hour.
Plan`i*spher"ic (?), a. Of or pertaining to a planisphere.
Plank (?), n. [OE. planke, OF. planque, planche, F. planche, fr. L.
planca; cf. Gr. &?;, &?;, anything flat and broad. Cf. Planch.] 1. A
broad piece of sawed timber, differing from a board only in being
thicker. See Board.