bulkhead

bulkhead is a   Noun

Definition:

[1] A partition in a vessel, to separate apartments on the same deck.

[2] 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.

Synonyms: