Spigot /(?)/

Spig·ot

Spigot

n.
  1. A pin or peg used to stop the vent in a cask; also, the plug of a faucet or cock.

Phrases & Compounds
Spigot and faucet joint
a joint for uniting pipes, formed by the insertion of the end of one pipe, or pipe fitting, into a socket at the end of another.