\Stop"cock`\, n.
1. A bib, faucet, or short pipe, fitted with a turning
   stopper or plug for permitting or restraining the flow of
   a liquid or gas; a cock or valve for checking or
   regulating the flow of water, gas, etc., through or from a
   pipe, etc.

2. The turning plug, stopper, or spigot of a faucet. [R.]