A dividing wall or barrier between compartments in a ship, aircraft, or other vehicle. The bulkhead in the ship was reinforced to prevent flooding in case of a breach.
A structure or partition built to prevent water from entering a particular area, often used in reference to coastal or riverbank protection. The bulkhead along the river was constructed to protect the town from flooding.
A wall or partition in a building, often used to conceal structural elements or utilities. The bulkhead in the basement hid the pipes and electrical wiring from view.
A partition or barrier erected in a mine passage to control ventilation or isolate a worked-out area. The miners constructed a bulkhead to seal off the abandoned tunnel.