The plug of a faucet, tap or cock.
A water tap: a faucet or sillcock.
A pin or peg used to stop the vent in a cask.
To block with a spigot.
To insert (a spigot).
A type of electron tube that controls electron current through vacuum between electrodes within a sealed container, usually of glass or metal and often designed to be easily installed in and removed from the equipment in which it is used.