'Bulkhead' definitions:

Definition of 'bulkhead'

From: WordNet
noun
A partition that divides a ship or plane into compartments

Definition of 'Bulkhead'

From: GCIDE
  • Bulkhead \Bulk"head`\, n. [See Bulk part of a building.]
  • 1. (Naut.) A partition in a vessel, to separate apartments on the same deck. [1913 Webster]
  • 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. [1913 Webster]
  • Bulked line, a line beyond which a wharf must not project; -- usually, the harbor line. [1913 Webster]