bulkhead
/ˈbʌlk.hɛd/ noun
Forms bulkheads
- noun (nautical) A vertical partition dividing the hull into separate compartments; often made watertight to prevent excessive flooding if the ship's hull is breached.
- noun (aerospace, rail transport) A similar partition in an aircraft or spacecraft, or some rail vehicles.
- noun (mechanics) A partition or panel through which connectors pass, or a connector designed to pass through a partition.
- noun A pressure-resistant sealed barrier to any fluid in a large structure.
- noun A retaining wall along a waterfront.
- noun (Rhode Island, Massachusetts, Maine) A cellar hatchway.
Etymology
From Old Norse bálkr (“partition”) + head, anglicised as bulk + head.
Webster’s 1913
- noun A partition in a vessel, to separate apartments on the same deck.
- noun A structure of wood or stone, to resist the pressure of earth or water; a partition wall or structure, as in a mine; the limiting wall along a water front. Bulked line, a line beyond which a wharf must not project; --usually, the harbor line.
Etymology [See Bulk part of a building.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “bulkhead”, CC BY-SA 4.0. Details