spigot
noun
[ ˈspɪɡət ]
• a small peg or plug, especially for insertion into the vent of a cask.
• a tap.
• the plain end of a section of a pipe fitting into the socket of the next one.
Origin:
Middle English: perhaps an alteration of Provençal espigou(n ), from Latin spiculum, diminutive of spicum, variant of spica (see spica).