- 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.
- a partition built in a subterranean passage to prevent the passage of air, water, or mud.
- a retaining structure of timber, steel, or reinforced concrete, used for shore protection and in harbor works.
- Building Trades.
- a horizontal or inclined outside door over a stairway leading to a cellar.
- a boxlike structure, as on a roof, covering a stairwell or other opening.
Origin of bulkhead
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for bulkhead
Nicole LaPorte talks to flight attendants about dirty diapers, bulkhead envy, and more.Flight Attendant Freakout
November 23, 2010
He knew besides such words as "hawser," "bulkhead" and "ebb-tide."The Harbor
It laid over by the bulkhead, and was nearly the color of the carpet.Tom Sawyer, Detective
Mark Twain (Samuel Clemens)
Someone slammed him against the bulkhead and held him there with his face to it.Satellite System
Horace Brown Fyfe
He came to rest against a bulkhead, and leaned there with bleeding lips.Captain Blood
Gregory, left to himself, edged closer against the bulkhead.Wild Justice: Stories of the South Seas
- any upright wall-like partition in a ship, aircraft, vehicle, etc
- a wall or partition built to hold back earth, fire, water, etc
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
Word Origin and History for bulkhead
Online Etymology Dictionary, © 2010 Douglas Harper