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n. 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.

n. A partition or wall serving a similar purpose in a vehicle, such as an aircraft or spacecraft.

n. A wall or an embankment, as in a mine or along a waterfront, that acts as a protective barrier.

n. Chiefly New England A horizontal or sloping structure providing access to a cellar stairway.

n. A vertical partition dividing the hull into separate compartments; often made watertight to prevent excessive flooding if the ship's hull is breached.

n. A similar partition in an aircraft or spacecraft.

n. Mechanically, a partition or panel through which connectors pass, or a connector designed to pass through a partition.

n. A pressure-resistant sealed barrier to any fluid in a large structure.

n. A retaining wall along a waterfront.

n. A partition in a vessel, to separate apartments on the same deck.

n. A structure of wood or stone, to resist the pressure of earth or water; a partition wall or structure, as in a mine; the limiting wall along a water front.

n. A partition.

n. A water-face of a wharf, pier, or sea-wall.

n. A horizontal or inclined door giving access from the outside of a house to the cellar.

n. In hydraulic mining the pressure-box or -tank at the end of a water-ditch or flume from which the water-pipes lead to the nozles.

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

"And the best seats include exit row seats or seats that in what are known as the bulkhead, the first row of seats."

partition    divider   

partial bulkhead    splinter bulkhead    collision bulkhead    bulkhead line    screen bulkhead    bulkhead door   

bulkhead line   

partition    wall   

hatch    ceil    hull    compartment    locker    panel    airlock    deck    girder    slab