petcock[noun]Synonyms: faucet, cock, gate, hydrant, spigot, stopcock, tap, valve
[TahlilGaran] English Synonym Dictionary ▲
pet·cock (pět
k
ŏk
)
n.A small valve or faucet used to drain or reduce pressure, as from a boiler.
[TahlilGaran] American Dictionary ▲