Anything that blinks, such as the turn signal of an automobile.
Eye shields attached to a hood for horses, to prevent them from seeing backwards and partially sideways.
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.
The eyelid.
Whatever obstructs sight or discernment.
To put blinkers on.
Something that indicates direction, such as a vehicle's turn signal.
Indicating direction.
Of or relating to guidance or help.