bulkhead

noun

bulk·​head ˈbəlk-ˌhed  ˈbəl-ˌked 

1

: an upright partition separating compartments

2

: a structure or partition to resist pressure or to shut off water, fire, or gas

3

: a retaining wall along a waterfront

4

: a projecting framework with a sloping door giving access to a cellar stairway or a shaft

Examples of bulkhead in a Sentence

Recent Examples on the Web

The planes also feature 8 Preferred Flagship Suites in the bulkhead rows of both business-class cabins. —Zach Wichter, USA Today, 21 Nov. 2025

The 85-footer retains the brand’s classic DNA, with a long, lean profile, and the prolific use of teak, which not only covers the cockpit but defines the interior salon and dining area on the floors, bulkheads, and ceilings. —Michael Verdon, Robb Report, 7 Nov. 2025

Cluci Crossbody Bag Getting stuck with the bulkhead seat has its pros and cons. —Amelia McBride, Travel + Leisure, 21 Sep. 2025

Every space is used — storage rooms, under beds, behind bulkheads. —Lela London, Forbes.com, 30 Aug. 2025

Word History

Etymology

bulk (structure projecting from a building) + head

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for bulkhead

• abed
• ahead
• beachhead
• bedspread
• bedstead
• behead
• blackhead
• blockhead
• bloodshed
• bowhead
• breastfed
• bridgehead

Kids Definition

bulkhead

noun

bulk·​head ˈbəlk-ˌhed 

1

: a wall separating compartments

2

: an external structure with a sloping door leading to the cellar stairway of a house