'Stopcock' definitions:

Definition of 'stopcock'

From: WordNet
noun
Faucet consisting of a rotating device for regulating flow of a liquid [syn: stopcock, cock, turncock]

Definition of 'Stopcock'

From: GCIDE
  • Stopcock \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. [1913 Webster]
  • 2. The turning plug, stopper, or spigot of a faucet. [R.] [1913 Webster]