noun (n)

• a regulator for controlling the flow of a liquid from a reservoir(noun.artifact)

  Synonym:
  spigot
  

  source: wordnet30
• A fixture for drawing a liquid, as water, molasses, oil, etc., from a pipe, cask, or other vessel, in such quantities as may be desired; -- called also tap, and cock. It consists of a tubular spout, stopped with a movable plug, spigot, valve, or slide.(noun)

  source: webster1913