A sudden burst of light; a flood of light instantaneously appearing and disappearing; as a flash of lightning.

A sudden burst of flame and light; as instantaneous blaze; as the flash of a gun.

A sudden burst, as of wit or merriment; as a flash of wit; a flash of joy or mirth. His companions recollect no instance of premature wit, no striking sentiment, no flash of fancy - .

Ashort, transient state. The Persians and Macedonians had it for a flash.

A body of water driven by violence.

A little pool.

To break forth, as a sudden flood of light; to burst or open instantly on the sight, as splendor. It differs from glitter, glisten and gleam in denoting a flood or wide extent of light. The latter words may express the issuing of light from a small object, or from a pencil of rays. A diamond may glitter or glisten, but it does not flash. Flash differs from other words also in denoting suddenness of appearance and disappearance.

To burst or break forth with a flood of flame and light; as, the powder flashed in the pan. Flashing differs from exploding or disploding, in not being accompanied with a loud report.

To burst out into any kind of violence. Every hour he flashes into one gross crime or other.

To break out, as a sudden expression of wit, merriment or bright thought.

To strike up a body of water from the surface. He rudely flashed the waves.

To strike or to throw like a burst of light; as, to flash conviction on the mind.