definition of
flash

[1] #1 flash v. [blink, wink, twinkle, winkle] gleam or glow intermittently; "The lights were flashing". wn

[2] #2 flash n. a sudden intense burst of radiant energy. wn

[3] #3 flash v. appear briefly; "The headlines flashed on the screen". wn

[4] #4 flash n. a momentary brightness. wn

[5] #5 flash v. [flaunt, show off, ostentate, swank] display proudly; act ostentatiously or pretentiously; "he showed off his new sports car". wn