'Blinker' definitions:

Definition of 'blinker'

(from WordNet)
noun
A light that flashes on and off; used as a signal or to send messages [syn: blinker, flasher]
noun
A blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn [syn: blinker, turn signal, turn indicator, trafficator]
noun
Blind consisting of a leather eyepatch sewn to the side of the halter that prevents a horse from seeing something on either side [syn: winker, blinker, blinder]
verb
Put blinders on (a horse)

Definition of 'Blinker'

From: GCIDE
  • Blinker \Blink"er\, n.
  • 1. One who, or that which, blinks. [1913 Webster]
  • 2. A blinder for horses; a flap of leather on a horse's bridle to prevent him from seeing objects as his side hence, whatever obstructs sight or discernment. [1913 Webster]
  • Nor bigots who but one way see, through blinkers of authority. --M. Green. [1913 Webster]
  • 3. pl. A kind of goggles, used to protect the eyes form glare, etc. [1913 Webster]

Synonyms of 'blinker'

From: Moby Thesaurus