Definition of "turncock" []

• A tap / faucet that regulates the flow of a fluid (noun)

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• "Antipa Vologonov sets out a squat samovar that is dinted of side, and plated with green oxide on handle, turncock, and spout."
• "It usually runs into a cistern, until the water-rates get into arrear, when the supply ceases through the intervention of a turncock."
• "Vologonov sets out a squat samovar that is dinted of side, and plated with green oxide on handle, turncock, and spout."