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Definition of bulkhead

bulkhead

/ˈbʌlk.hɛd/
bulk · head

Plural:bulkheads
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bulkhead Lexical Profile

bulkhead Game Scores & Validity

• noun

1

An upright wall or dividing partition within the hull of a ship or the fuselage of an aircraft, designed to provide structural rigidity and create watertight or airtight compartments.

Example

"Passengers seated directly behind the cabin bulkhead generally enjoy a few extra inches of legroom."


2

A retaining wall built along a waterfront or shoreline to hold back earth and protect the land from wave erosion.

Example

"The town constructed a reinforced concrete bulkhead along the harbor to prevent coastal erosion during severe storms."


3

A box-like or sloping structure covering a staircase or shaft that leads down into a cellar or basement from the outside of a building.

Example

"We carried the heavy winter tools down into the cellar through the wooden bulkhead in the backyard."

Synonyms
View all synonyms for bulkhead

Word Origin & Etymology

First recorded in the late 15th century, likely combining an altered form of Old Norse balkr ('beam' or 'partition') with English head.

Cite this Entry


Wordmom. (2026). Definition of Bulkhead. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/bulkhead
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