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Meaning of bulkhead

bulk•head

Pronunciation: (bulk'hed"), [key]
— n.
  1. any of various wall-like constructions inside a vessel, as for forming watertight compartments, subdividing space, or strengthening the structure.
  2. a transverse partition or reinforcing frame in the body of an airplane.
    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.
    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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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