(Naut.) 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.
... population have been steadily developed and reinforced by artificial ones. For the ships of the world she has built about her water-front more than three hundred piers and bulkheads. Allowing berth-room for four ships in each bulkhead, and for one at the end of each pier, (decidedly an under-estimate, considering the extent of some of these structures,)—the island water-front already offers accommodation for the simultaneous landing of eight hundred first-class ... — The Atlantic Monthly, Volume 15, No. 87, January, 1865 • Various