2. stopcock, cock, turncock -- (faucet consisting of a rotating device for regulating flow of a liquid)
3. hammer, cock -- (the part of a gunlock that strikes the percussion cap when the trigger is pulled)
4. cock, rooster -- (adult male chicken)
5. cock -- (adult male bird)
Overview of verb cock
The verb cock has 3 senses (first 2 from tagged texts)
1. (2) cock -- (tilt or slant to one side; "cock one's head")
2. (2) cock -- (set the trigger of a firearm back for firing)
3. tittup, swagger, ruffle, prance, strut, sashay, cock -- (to walk with a lofty proud gait, often in an attempt to impress others; "He struts around like a rooster in a hen house")