shining in a bright but brief, sudden, or intermittent way

a police car with a flashing light

brief, sudden, and intermittent bursts of bright light

he was woken up by the police sirens and the flashing of lights

the action, especially of a man, of showing one's genitals briefly in public

when arrested and interviewed, he denied flashing

a strip of metal used to stop water penetrating the junction of a roof with another surface

flashings around chimneys

the lead flashing on the roof

shine in a bright but brief, sudden, or intermittent way

lightning flashed overhead

an irritating neon sign flashed on and off

move or pass very quickly

a look of terror flashed across Kirov's face

a sudden thought flashed through his mind

display (information or an image) suddenly on a television or computer screen or electronic sign, typically briefly or repeatedly

the screen flashed up a menu