Webster's Revised Unabridged Dictionary · 1913

petcock

petcock (pet"kok`) , noun

A small cock or faucet or valve for letting out air or releasing compression, or for draining a vessel.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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