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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.

Contemporary Examples

Flight Attendant Freakout Nicole LaPorte November 22, 2010

Historical Examples

Tales of Unrest Joseph Conrad
Concrete Construction Halbert P. Gillette
Earth Alert! Kris Neville
Berties Home Madeline Leslie
The Space Pioneers Carey Rockwell
Breaking Point James E. Gunn
Boy Scouts in Southern Waters G. Harvey Ralphson
Breaking Point James E. Gunn
Satellite System Horace Brown Fyfe

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


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  • Bulk-mail

    a category of mail for mailing large numbers of identical printed items to individual addressees at less than first-class rates, as circulars or bulletins. to mail as bulk mail.

  • Bulk-modulus

    a coefficient of elasticity of a substance, expressing the ratio between a pressure that acts to change the volume of the substance and the fractional change in volume produced. noun a coefficient of elasticity of a substance equal to minus the ratio of the applied stress (p) to the resulting fractional change in volume (dV/V) […]

  • Bulk

    magnitude in three dimensions: a ship of great bulk. the greater part; main mass or body: The bulk of the debt was paid. goods or cargo not in packages or boxes, usually transported in large volume, as grain, coal, or petroleum. fiber (def 9). (of paper, cardboard, yarn, etc.) thickness, especially in relation to weight. […]

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