Meaning

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 eyepatch sewn to the side of the halter that prevents a horse from seeing something on either side

originEtymology tree English blink Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English blinker From blink + -er.

Etymology from Wiktionary, CC BY-SA 3.0