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.

Source: Webster's Revised Unabridged Dictionary (1913)