名詞 bulkhead:

1. a partition that divides a ship or plane into compartments

bulk.head

n.Abbr. bhd.（名詞）縮寫 bhd.

Nautical One of the upright partitions dividing a ship into compartments and serving to add structural rigidity and to prevent the spread of leakage or fire.
【航海】 船艙壁：一種直立的隔板，將船分為若干艙，用來增加結構上的堅固和阻止進水的蔓延
A partition or wall serving a similar purpose in a vehicle, such as an aircraft or spacecraft.
艙壁：運輸工具上用于同樣目的的隔板或墻，如飛機或宇宙飛船
A wall or embankment, as in a mine or along a waterfront, that acts as a protective barrier.
（坑內的）堵壁、堤岸、擋土墻：在礦井里或沿著水邊的墻或堤，用來當作當保護物的障礙物
Chiefly New England A horizontal or sloping structure providing access to a cellar stairway.
【多用于新英格蘭】 為進入地下室的樓梯而修建的水平的或傾斜的結構

來源：
bulk [stall, partition] [perhaps of Scandinavian origin]
bulk [分隔的小間，隔板] [可能起源于斯拉夫語]
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