bulkhead

laipio puhekieltä A vertical partition dividing the hull into separate compartments; often made watertight to prevent excessive flooding if the ship's hull is breach breached.
A similar partition in an aircraft or spacecraft.
Mechanically, a partition or panel through which connectors pass, or a connector designed to pass through a partition.
A pressure-resistant sealed barrier to any fluid in a large structure.
A retaining wall along a waterfront.