p 3 e 1 t 1 c 3 o 1 c 3 k 5
7 letters · 17 points in Scrabble
Meaning
noun regulator consisting of a small cock or faucet or valve for letting out air or releasing compression or draining
originApparently from pet + cock, because of its size.
Etymology from Wiktionary, CC BY-SA 3.0