Sea cock


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Sea´ cock`


1.In a steamship, a cock or valve close to the vessel's side, for closing a pipe which communicates with the sea.
2.(Zool.) The black-bellied plover.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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But Exmouth-based lifeboat coxswain Steve Hockings-Thompson said: "The sea cock wheel had sheared off and without his quick thinking, the boat would have sunk within an hour from the inch-diameter hole - though I must admit using his finger to stem the flow of water was a bit unusual."