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seacock

[ see-kok ]
/ ˈsiˌkɒk /
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noun Nautical.
a valve in the hull of a vessel for admitting outside water into some part of the hull, as a ballast tank.
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Also called sea connection.

Origin of seacock

First recorded in 1660–70; sea + cock1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use seacock in a sentence

British Dictionary definitions for seacock

seacock
/ (ˈsiːˌkɒk) /

noun
nautical a valve in the hull of a vessel below the water line for admitting sea water or for pumping out bilge water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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