3. The direct light or warmth of the sun; sunshine.

Lambs that did frisk in the sun.

Shak.

4. That which resembles the sun, as in splendor or importance; any

source of light, warmth, or animation.

For the Lord God is a sun and shield.

Ps. lxxiv. 11.

I will never consent to put out the sun of sovereignity to

posterity.

Eikon Basilike.

Sun and planet wheels (Mach.), an ingenious contrivance for converting

reciprocating motion, as that of the working beam of a steam engine,

into rotatory motion. It consists of a toothed wheel (called the sun

wheel), firmly secured to the shaft it is desired to drive, and another

wheel (called the planet wheel) secured to the end of a connecting rod.

By the motion of the connecting rod, the planet wheel is made to

circulate round the central wheel on the shaft, communicating to this

latter a velocity of revolution the double of its own. G. Francis. --

Sun angel (Zoöl.), a South American humming bird of the genus

Heliangelos, noted for its beautiful colors and the brilliant luster of

the feathers of its throat. -- Sun animalcute. (Zoöl.) See Heliozoa. --

Sun bath (Med.), exposure of a patient to the sun's rays; insolation.

-- Sun bear (Zoöl.), a species of bear (Helarctos Malayanus) native of

Southern Asia and Borneo. It has a small head and short neck, and fine

short glossy fur, mostly black, but brownish on the nose. It is easily

tamed. Called also bruang, and Malayan bear. -- Sun beetle (Zoöl.), any

small lustrous beetle of the genus Amara. -- Sun bittern (Zoöl.), a

singular South American bird (Eurypyga helias), in some respects

related both to the rails and herons. It is beautifully variegated with

white, brown, and black. Called also sunbird, and tiger bittern. -- Sun

fever (Med.), the condition of fever produced by sun stroke. -- Sun gem

(Zoöl.), a Brazilian humming bird (Heliactin cornutus). Its head is

ornamented by two tufts of bright colored feathers, fiery crimson at

the base and greenish yellow at the tip. Called also Horned hummer. --

Sun grebe (Zoöl.), the finfoot. -- Sun picture, a picture taken by the

agency of the sun's rays; a photograph. -- Sun spots (Astron.), dark

spots that appear on the sun's disk, consisting commonly of a black

central portion with a surrounding border of lighter shade, and usually

seen only by the telescope, but sometimes by the naked eye. They are

very changeable in their figure and dimensions, and vary in size from

mere apparent points to spaces of 50,000 miles in diameter. The term

sun spots is often used to include bright spaces (called faculæ) as

well as dark spaces (called maculæ). Called also solar spots. See

Illustration in Appendix. -- Sun star (Zoöl.), any one of several

species of starfishes belonging to Solaster, Crossaster, and allied

genera, having numerous rays. -- Sun trout (Zoöl.), the squeteague. --

Sun wheel. (Mach.) See Sun and planet wheels, above. -- Under the sun,

in the world; on earth. "There is no new thing under the sun." Eccl. i.

9.

Sun is often used in the formation of compound adjectives of obvious

meaning; as, sun-bright, sun- dried, sun-gilt, sunlike, sun-lit, sun-

scorched, and the like.

Sun, v. t. [imp. & p. p. Sunned (?); p. pr. & vb. n. Sunning.] To

expose to the sun's rays; to warm or dry in the sun; as, to sun cloth;

to sun grain.

Then to sun thyself in open air.

Dryden.

Sun"beam` (?), n. [AS. sunnebeam.] A beam or ray of the sun. "Evening

sunbeams." Keble.

Thither came Uriel, gliding through the even On a sunbeam.

Milton.

Sun"bird` (?), n. (Zoöl.) (a) Any one of numerous species of small

brilliantly colored birds of the family Nectariniidæ, native of Africa,

Southern Asia, the East Indies, and Australia. In external appearance

and habits they somewhat resemble humming birds, but they are true

singing birds (Oscines). (b) The sun bittern.

Sun"blink` (?), n. A glimpse or flash of the sun. [Scot.] Sir W. Scott.

Sun"bon"net (?), n. A bonnet, generally made of some thin or light

fabric, projecting beyond the face, and commonly having a cape, -- worn

by women as a protection against the sun.

Sun"bow` (?), n. A rainbow; an iris. Byron.

Sun"burn` (?), v. t. [imp. & p. p. Sunburned (?) or Sunburnt (&?;); p.

pr. & vb. n. Sunburning.] To burn or discolor by the sun; to tan.

Sunburnt and swarthy though she be.

Dryden.

Sun"burn`, n. The burning or discoloration produced on the skin by the

heat of the sun; tan.

Sun"-burn`er (?), n. A circle or cluster of gas-burners for lighting

and ventilating public buildings.

Sun"burn`ing, n. Sunburn; tan. Boyle.

Sun"burst` (?), n. A burst of sunlight.

Sun"dart` (?), n. Sunbeam. [R.] Mrs. Hemans.

Sun"day (?), n. [AS. sunnandæg; sunne, gen. sunnan, the sun + dæg day;

akin to D. zondag, G. sonntag; -- so called because this day was

anciently dedicated to the sun, or to its worship. See Sun, and Day.]

The first day of the week, -- consecrated among Christians to rest from

secular employments, and to religious worship; the Christian Sabbath;

the Lord's Day.

Advent Sunday, Low Sunday, Passion Sunday, etc. See under Advent, Low,

etc.

Syn. -- See Sabbath.

Sun"day, a. Belonging to the Christian Sabbath.

Sunday letter. See Dominical letter, under Dominical. -- Sunday school.

See under School.

Sun"der (?), v. t. [imp. & p. p. Sundered (?); p. pr. & vb. n.

Sundering.] [OE. sundren, AS. sundrain (in sundrain, gesundrain), from

sundor asunder, separately, apart; akin to D. zonder, prep., without,

G. sonder separate, as prep., without, sondern but, OHG. suntar

separately, Icel. sundr asunder, Sw. & Dan. sönder, Goth. sundr alone,

separately.] To disunite in almost any manner, either by rending,

cutting, or breaking; to part; to put or keep apart; to separate; to

divide; to sever; as, to sunder a rope; to sunder a limb; to sunder

friends.

It is sundered from the main land by a sandy plain.

Carew.

Sun"der, v. i. To part; to separate. [R.] Shak.

Sun"der, n. [See Sunder, v. t., and cf. Asunder.] A separation into

parts; a division or severance.

In sunder, into parts. "He breaketh the bow, and cutteth the spear in

sunder." Ps. xlvi. 9.

Sun"der, v. t. To expose to the sun and wind. [Prov. Eng.] Halliwell.

Sun"dew` (?), n. (Bot.) Any plant of the genus Drosera, low bog plants

whose leaves are beset with pediceled glands which secrete a viscid

fluid that glitters like dewdrops and attracts and detains insects.

After an insect is caught, the glands curve inward like tentacles and

the leaf digests it. Called also lustwort.

Sun"di`al (?), n. An instrument to show the time of day by means of the

shadow of a gnomon, or style, on a plate.

Sundial shell (Zoöl.), any shell of the genus Solarium. See Solarium.

Sun"dog` (?), n. (Meteorol.) A luminous spot occasionally seen a few

degrees from the sun, supposed to be formed by the intersection of two

or more halos, or in a manner similar to that of halos.

Sun"down` (?), n. 1. The setting of the sun; sunset. "When sundown

skirts the moor." Tennyson.

The Gutenberg Webster's Unabridged Dictionary: Section S · 第 2897 / 3215 题