n.1. a. A common domesticated fowl (Gallus domesticus) widely raised for meat and eggs and believed to be descended from the jungle fowl G. gallus.
b. Any of various similar or related birds.
c. The flesh of the chicken, used as food.
2. Slang A coward.
3. Any of various foolhardy competitions in which the participants persist in a dangerous course of action until one loses nerve and stops.
4. Vulgar Slang A young gay male, especially as sought by an older man.