noun
bulkhead
BUHLK-hehd
noun
1
A dividing wall inside a ship, aircraft, or other vehicle, often built to prevent flooding or contain damage.
"Crew sealed the bulkhead to stop water spreading through the hold."
2
A retaining wall built along a waterfront to hold back earth or water.
"The marina's bulkhead was reinforced after last year's storm."
How to Use Bulkhead
Learner’s notesIn plain EnglishA dividing wall, especially the watertight kind used inside ships and aircraft.
Word Forms
bulkheads plural
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Crew sealed the _____ to stop water spreading through the hold.
Etymology
From Old Norse bálkr, "partition," combined with "head," reshaped in English as "bulk" + "head."