Definition of "blinker" in English

noun

1. Anything that blinks.

   • She was a frequent blinker, always on the verge of tears.

2. (informal, Australia, Northern US) The turn signal of an automobile.

3. (chiefly in the plural) A shield attached to the bridle of a horse or other domesticated animal to prevent it from seeing things behind it and to its side.

4. Whatever obstructs sight or discernment.

5. (rare) The eyelid.

6. (slang) A black eye.

7. (cellular automata) In Conway's Game of Life, an arrangement of three cells in a row that switches between horizontal and vertical orientations in each generation.

8. (slang) A situation where the light of a dab pen or vape starts blinking, which happens when the user takes an extremely long hit.

   • a double blinker (hitting blinkers on two pens simultaneously)
   • I just hit a blinker.

verb

1. (transitive) To put blinkers on.

   • The farmer stopped to blinker his horse before riding into an area of heavy traffic.