faucet

noun3

1. •
   (US, Canada) An exposed plumbing fitting; a tap or spigot; a regulator for controlling the flow of a liquid from a reservoir.

   • The rain ceased as if a faucet had been turned off.
2. •
   A tapered tube, designed to be forced into a matching hole in a barrel, with the outer end holding a plug cock for decanting liquid from the barrel.

   • The pipe or faucet or rather fast set, so called, because it is set fast in. — 1585
3. •
   One or several systems that inject currency into the game's economy, thus controlling or preventing inflation