| 单词 | bulkhead |
| 释义 | bulkhead —bulkheaded, adj. /bulk"hed'/, n. 1. Naut. any of various wall-like constructions inside a vessel, as for forming watertight compartments, subdividing space, or strengthening the structure. 2. Aeron. a transverse partition or reinforcing frame in the body of an airplane. 3. Civ. Engin. a. a partition built in a subterranean passage to prevent the passage of air, water, or mud. b. a retaining structure of timber, steel, or reinforced concrete, used for shore protection and in harbor works. 4. Building Trades. a. a horizontal or inclined outside door over a stairway leading to a cellar. b. a boxlike structure, as on a roof, covering a stairwell or other opening. [1490-1500; BULK2 + HEAD] |
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