(n): any device serving as a source of illumination
(n): a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn
(n): a signal that involves visual communication
(n): blind consisting of a leather eyepatch sewn to the side of the halter that prevents a horse from seeing something on either side
(n): a protective covering that keeps things out or hinders sight
(v): put blinders on (a horse)
(v): provide with a covering or cause to be covered