A seacock is a valve that passes through the hull to the outside both above and below the waterline. Seacocks allow for the take in or discharge of water and waste. It is important to open and close seacocks regularly as a seized one places an un-acceptable strain on the hull when forced.
By SailingQuiz October 2019 Category: Sailing Terms
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What does Seacock mean?
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Definition of the nautical phrase "Seacock".