bulkhead
Definitions
A partition or wall separating compartments within a ship, aircraft, or other vehicle.
A structure built to resist pressure or to prevent the sliding of earth or water.
A horizontal or inclined door providing access to a cellar or underground space.
Examples
The captain ordered the crew to seal the watertight bulkhead after the ship struck an iceberg.
We stored our extra camping gear behind the bulkhead in the back of the van.
Synonyms
partition divider barrier wall screen separation bulkhead wall