noun

• A person or an animal that winks (“blinks with one eye; blinks with one eye as a message, signal, or suggestion, usually with an implication of conspiracy”).
• A person who connives with another; a conniver.
• A thing which is used to wink with, or which winks.
• (automotive, informal) Synonym of turn signal (“each of the flashing lights on each side of a vehicle which is used to indicate that the vehicle is moving left or right”); a blinker, an indicator.
• (equestrianism, also attributive and figurative) Chiefly in the plural: synonym of blinker (“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”)
• (music) A small bellows in an organ, regulated by a spring, which controls variations of wind pressure.
• (ornithology) The nictitating membrane (“transparent protective fold of skin acting as an inner eyelid”) of a birds's eye.
• (Britain, dialectal or slang) An eye.
• (Britain, US, dialectal or slang) An eyelash.
• A surname from German.
• (tiddlywinks) Clipping of tiddlywinker (“a player of the game of tiddlywinks”). [(tiddlywinks) A player of the game of tiddlywinks.]