Blinker
Part of speech: verb
Definition: To put blinkers on.
Part of speech: noun
Definition: Something that blinks, as the turn signal of an automobile. Eye shields attached to a hood for horses, to prevent them from seeing backwards and partially sideways. Whatever obstructs sight or discernment: WikiQuote Eyelid. In Conway's Game of Life, an arrangement of three cells in a row that switches between horizontal and vertical orientations in each generation.
Winker
Part of speech: noun
Definition: A horse's blinder; a blinker.