Another word for bulkhead

Here is a hogshead of molasses or of brandy directed to John Smith, Cuttingsville, Vermont, some trader among the Green Mountains, who imports for the farmers near his clearing, and now perchance stands over his bulkhead and thinks of the last arrivals on the coast, how they may affect the price for him, telling his customers this moment, as he has told them twenty times before this morning, that he expects some by the next train of prime quality.

Most basements have awkward wall space under the staircase or near the bulkhead exit.

bulkhead door slid open.

Bedroom 3 8&'11& ' ' x 8&'8& ' ' overall including bulkhead, with window to the front.

aftermost watertight bulkhead and the stem.