WordWeight : Weighing the Words

Pronunciation : Bulk"head`
Part of Speech : n.
Etymology : [See Bulk part of a building.]
Definition : 1. (Naut.)

Defn: 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.
Source : Webster's Unabridged Dictionary, 1913