Definitions
1.nounA vertical partition dividing the hull into separate compartments; often made watertight to prevent excessive flooding if the ship's hull is breached.
2.nounA similar partition in an aircraft or spacecraft.
3.nounMechanically, a partition or panel through which connectors pass, or a connector designed to pass through a partition.
4.nounA pressure-resistant sealed barrier to any fluid in a large structure.
5.nounA retaining wall along a waterfront.