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Bulkhead (partition), a wall within the hull of a ship, vehicle, or container •
Torpedo bulkhead, a type of armor plate or protective covering designed to keep a ship afloat even if the hull is struck by a shell or by a torpedo •
Bulkhead (barrier), a retaining wall used as a form of coastal management, akin to a seawall, or as a structural device such as a bulkhead partition • Bulkhead door, an angled door covering the exterior stairwell of a
basement •
Bulkhead flatcar, a type of rolling stock designed with sturdy end-walls to prevent loads from shifting past the ends of the car •
Rear pressure bulkhead, an airtight structural feature of an aircraft ==Other==