1. An adult male chicken; a rooster.
2. An adult male of various other birds.
2. A weathervane shaped like a rooster; a weathercock.
3. A leader or chief.
4. A faucet or valve by which the flow of a liquid or gas can be regulated.
1. The hammer of a firearm.
2. The position of the hammer of a firearm when ready for firing.
6. A tilting or jaunty turn upward: the cock of a hat.