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seacock

American

[see-kok] / ˈsiˌkɒk /

noun

Nautical.

a valve in the hull of a vessel for admitting outside water into some part of the hull, as a ballast tank.

seacock British

/ 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

Etymology

Origin of seacock

First recorded in 1660–70; sea + cock ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Cooling water enters through the drive rather than through a seacock.

From Time Magazine Archive

An emergency tapered wood plug that fits in the hose connection above the seacock can be secured with light wire to the assembly.

From Time Magazine Archive

"I examined that boat thoroughly before we left and spotted that seacock," he says.

From Time Magazine Archive

He had snapped the seacock off about an inch above the through-hull.

From Time Magazine Archive

The fireroom is full of water; but it looks to me as though a seacock had been opened.

From Ruth Fielding Homeward Bound A Red Cross Worker's Ocean Perils by Emerson, Alice B.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023