that agent, force, or action in nature by the operation of which upon the organs of sight, objects are rendered visible or luminous.-that which furnishes, or is a source of, light, as the sun, a star, a candle, a lighthouse, etc.-the time during which the light of the sun is visible; day; especially, the dawn of day.-the brightness of the eye or eyes.-the medium through which light is admitted, as a window, or window pane; a skylight; in architecture, one of the compartments of a window made by a mullion or mullions.-life; existence.-open view; a visible state or condition; public observation; publicity.-the power of perception by vision.-that which illumines or makes clear to the mind; mental or spiritual illumination; enlightenment; knowledge; information.-prosperity; happiness; joy; felicity.-the manner in which the light strikes upon a picture; that part of a picture which represents those objects upon which the light is supposed to fall; the more illuminated part of a landscape or other scene; -- opposed to shade.  cf. chiaroscuro.-appearance due to the particular facts and circumstances presented to view; point of view; as, to state things fairly and put them in the right light.-one who is conspicuous or noteworthy; a model or example; as, the lights of the age or of antiquity.-a firework made by filling a case with a substance which burns brilliantly with a white or colored flame; as, a bengal light.-having light; not dark or obscure; bright; clear; as, the apartment is light.-white or whitish; not intense or very marked; not of a deep shade; moderately colored; as, a light color; a light brown; a light complexion.-to set fire to; to cause to burn; to set burning; to ignite; to kindle; as, to light a candle or lamp; to light the gas; -- sometimes with up.-to give light to; to illuminate; to fill with light; to spread over with light; -- often with up.-to attend or conduct with a light; to show the way to by means of a light.-to become ignited; to take fire; as, the match will not light.-to be illuminated; to receive light; to brighten; -- with up; as, the room lights up very well.-having little, or comparatively little, weight; not tending to the center of gravity with force; not heavy.-not burdensome; easy to be lifted, borne, or carried by physical strength; as, a light burden, or load.-easy to be endured or performed; not severe; not difficult; as, a light affliction or task.-easy to be digested; not oppressive to the stomach; as, light food; also, containing little nutriment.-not heavily armed; armed with light weapons; as, light troops; a troop of light horse.-not encumbered; unembarrassed; clear of impediments; hence, active; nimble; swift.-not heavily burdened; not deeply laden; not sufficiently ballasted; as, the ship returned light.-slight; not important; as, a light error.-well leavened; not heavy; as, light bread.-not copious or heavy; not dense; not inconsiderable; as, a light rain; a light snow; light vapors.-not strong or violent; moderate; as, a light wind.-not pressing heavily or hard upon; hence, having an easy, graceful manner; delicate; as, a light touch; a light style of execution.-easy to admit influence; inconsiderate; easily influenced by trifling considerations; unsteady; unsettled; volatile; as, a light, vain person; a light mind.-indulging in, or inclined to, levity; wanting dignity or solemnity; trifling; gay; frivolous; airy; unsubstantial.-not quite sound or normal; somewhat impaired or deranged; dizzy; giddy.-easily bestowed; inconsiderately rendered.-wanton; unchaste; as, a woman of light character.-not of the legal, standard, or usual weight; clipped; diminished; as, light coin.-loose; sandy; easily pulverized; as, a light soil.-lightly; cheaply.-to lighten; to ease of a burden; to take off.-to dismount; to descend, as from a horse or carriage; to alight; -- with from, off, on, upon, at, in.-to feel light; to be made happy.-to descend from flight, and rest, perch, or settle, as a bird or insect.-to come down suddenly and forcibly; to fall; -- with on or upon.-to come by chance; to happen; -- with on or upon; formerly with into.