seacock

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sea·cock

 (sē′kŏk′)
n.
A valve in the hull of a boat or ship that may be opened to let in or discharge water, as in filling or emptying a ballast tank.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

seacock

(ˈsiːˌkɒk)
n
(Nautical Terms) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sea•cock

(ˈsiˌkɒk)

n.
a valve in the hull of a ship for admitting seawater into some internal chamber, as for ballast.
[1660–70]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
The Americans scrambled to close the seacocks, but a stream of water six to eight inches in diameter continued to gush through the sea strainer, an opening that filtered seawater flowing into the engine's cooling system.
Standard features include twin 28-gallon livewells under the aft casting deck along with a 12-gallon crustacean well forward (all are blue gel-coated with LED lighting), ten gunnel mounted rod holders (two of which are Mate Series Cup/Rod holders), twin removable 72-quart performance coolers, all forged stainless steel through-hull fittings with Marelon seacocks (composite/non-corrosive), 6-inch jack plate; custom powder-coated leaning post with backrest, rigging tray, four rod holders, SS cup holders and tackle storage; Wet Sounds audio, 12-inch multi-function electronics, custom upholstery with contoured seating and cushions with coaming bolsters (cockpit and bow), two forward tackle storage centers and more.
Each crew member should know the locations of seacocks, fire extinguishers, the emergency tiller, the medical kit, and how to operate the jury-rigged rudder (legendary for not working, so practise steering with the sails, the only proven reliable method).
All his ships hoisted the German flag, the seacocks, portholes, watertight doors, hatches and torpedo tubes were opened and the crews now totalling fewer than 2,000 men took to their lifeboats as the ships began to sink with tremendous hissings of steam, spouts of water and huge sucking and gurgling sounds.
I have been around so many people, from so many places, standing in bars over the long hours that are the open seacocks that scuttle many lives, hearing so many tales and recounted conversations....
"We had some hilarious moments, but eventually we learned to just scuttle the ships by making holes above the waterline, then knocking the seacocks off in the bilge.
[] Test and lubricate seacocks and the presence of correctly sized wooden plugs, tied Close.
[] Close the seacocks, fill heads with vinegar, leaving them for at least a week.
Watched from the shoreline by large crowds, unaware of what was about to happen, the Graf Spee moved from her anchorage on the evening of December 17th, to deeper waters where the seacocks were opened and a series of explosions set off, causing a huge outbreak of fire as she started to sink.
Seacocks and thru-hull fittings--Over time hoses can develop leaks, hose clamps can rust (even the stainless ones) and seacocks become frozen in the open position.
Dealing with a leaking seacock, inoperative pump or no power to a main distribution panel, once you've left the safety of the harbor, can be far beyond an inconvenience.