<p><strong>Noun</strong></p><ul><li>A small peg or plug for stopping the vent of a cask.</li><li>A peg or plug for stopping the passage of liquid in a faucet or cock.</li><li>A faucet or cock for controlling the flow of liquid from a pipe or the like.</li><li>The end of a pipe that enters the enlarged end of another pipe to form a joint.</li></ul>