What is the meaning of Blinker?

Anything that blinks.

The turn signal of an automobile.

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.

Whatever obstructs sight or discernment.

The eyelid.

A black eye.

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

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

To put blinkers on.

present of blinke

indefinite plural of blink

present of blinke

(US) a turn signal, (Britain, Australia, New Zealand) an indicator (that blinks)

a blinker (device that blinks, especially an alerting device for deaf and hearing impaired)

Source: wiktionary.org