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bulkhead

[ buhlk-hed ]
/ ˈbʌlkˌhɛd /
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noun
Nautical. any of various wall-like constructions inside a vessel, as for forming watertight compartments, subdividing space, or strengthening the structure.
Aeronautics. a transverse partition or reinforcing frame in the body of an airplane.
Civil Engineering.
  1. a partition built in a subterranean passage to prevent the passage of air, water, or mud.
  2. a retaining structure of timber, steel, or reinforced concrete, used for shore protection and in harbor works.
Building Trades.
  1. a horizontal or inclined outside door over a stairway leading to a cellar.
  2. a boxlike structure, as on a roof, covering a stairwell or other opening.
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Origin of bulkhead

First recorded in 1490–1500; bulk2 + head

OTHER WORDS FROM bulkhead

bulkheaded, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use bulkhead in a sentence

British Dictionary definitions for bulkhead

bulkhead
/ (ˈbʌlkˌhɛd) /

noun
any upright wall-like partition in a ship, aircraft, vehicle, etc
a wall or partition built to hold back earth, fire, water, etc

Word Origin for bulkhead

C15: probably from bulk projecting framework, from Old Norse bálkr partition + head
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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