Spigot \Spig"ot\, n. [From spick,or spike; cf. Ir. & Gael. spiocaid a spigot, Ir. spice a spike. See {Spike}.] A pin or peg used to stop the vent in a cask; also, the plug of a faucet or cock. {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.