RhymeZone: blinker definitions

Definitions of blinker:

noun: a light that flashes on and off; used as a signal or to send messages
noun: a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn
noun: blind consisting of a leather eye-patch sewn to the side of the halter that prevents a horse from seeing something on either side
verb: put blinders on (a horse)

Search for blinker at other dictionaries: OneLook, Oxford, American Heritage, Merriam-Webster, Wikipedia