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That which furnishes, or is a source of, light, as the sun, a star, a candle, a lighthouse, etc. Then he called for a light, and sprang in. Acts xvi. 29. And God made two great lights; the greater light to rule the day, and the lesser light to rule the night. Gen. i. 16.

A system of signaling in which balls of red and green fire are fired from a pistol, the arrangement in groups denoting numbers having a code significance.

The distance over which light can travel in a year's time; -- used as a unit in expressing stellar distances. It is more than 63,000 times as great as the distance from the earth to the sun.

Armed with light weapons or accouterments.

Light-ship.

Dexterous in taking and conveying away; thievish; pilfering; addicted to petty thefts. Fuller.

Having a light, springy step; nimble in running or dancing; active; as, light-foot Iris. Tennyson.

Not having a full complement of men; as, a vessel light-handed.

Thoughtless; heedless; volatile; unsteady; fickle; loose. "Light- headed, weak men." Clarendon. -- Light"-head`ed*ness, n.

Free from grief or anxiety; gay; cheerful; merry. -- Light"-heart`ed*ly, adv. -- Light"-heart"ed*ness, n.

Lively in walking or running; brisk; light-footed.

A soldier who serves in the light horse. See under 5th Light.

Nimble; swift of foot. Sir P. Sidney.

Unsettled; unsteady; volatile; not considerate. -- Light"-mind`ed*ness, n.

ial expression of levity, especially in love matters. Nares. "Best sing it to the tune of light-o'-love." Shak.

A vessel carrying at the masthead a brilliant light, and moored off a shoal or place of dangerous navigation as a guide for mariners.

Having light and active wings; volatile; fleeting. Shak.

Such as can be lighted.

of Light, to alight. Chaucer.

To descend; to light. O Lord, let thy mercy lighten upon us. Book of Common Prayer [Eng. Ed.]