bulkhead.
A vertical partition dividing the hull into separate compartments; often made watertight to prevent excessive flooding if the ship's hull is breached.
Meaning & usage
A vertical partition dividing the hull into separate compartments; often made watertight to prevent excessive flooding if the ship's hull is breached.
A similar partition in an aircraft or spacecraft, or some rail vehicles.
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.
A cellar hatchway.
Where this word comes from
From Old Norse bálkr (“partition”) + head, anglicised as bulk + head.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.