Definition of "Flash" :
noun: a lamp for providing momentary light to take a photograph
noun: a bright patch of color used for decoration or identification
"Red flashes adorned the airplane."
noun: a momentary brightness
noun: a sudden brilliant understanding
"He had a flash of intuition."
noun: a short news announcement concerning some on-going news story
noun: a burst of light used to communicate or illuminate
noun: a gaudy outward display
noun: a short vivid experience
"A flash of emotion swept over him."
noun: a sudden intense burst of radiant energy
noun: a very short time (as the time it takes the eye to blink or the heart to beat)
"If I had the chance I'd do it in a flash."
verb: appear briefly
"The headlines flashed on the screen."
verb: emit a brief burst of light
"A shooting star flashed and was gone."
verb: make known or cause to appear with great speed
"The latest intelligence is flashed to all command posts."
verb: protect by covering with a thin sheet of metal
"Flash the roof."
verb: run or move very quickly or hastily
verb: expose or show briefly
"He flashed a $100 bill."
verb: display proudly; act ostentatiously or pretentiously
verb: gleam or glow intermittently
"The lights were flashing."
adjective: tastelessly showy
"A flash car."