compartment
Americannoun
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a part or space marked or partitioned off.
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a separate room, section, etc..
a baggage compartment.
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U.S. Railroads. a private bedroom with toilet facilities.
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a separate aspect, function, or the like.
the compartments of the human mind.
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Architecture. a distinct major division of a design.
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Heraldry. a decorative base, as a grassy mound, on which the supporters of an escutcheon stand or rest.
verb (used with object)
noun
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one of the sections into which an area, esp an enclosed space, is divided or partitioned
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any separate part or section
a compartment of the mind
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a small storage space; locker
Other Word Forms
- compartmental adjective
- compartmentally adverb
Etymology
Origin of compartment
1555–65; < Middle French compartiment < Italian compartimento. See compart, -ment
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Hydrogen peroxide is abundant within the small compartment that houses the crystals, and the parasite naturally produces it as a byproduct.
From Science Daily • Mar. 19, 2026
But the graying signal caller still had something left in the glove compartment, and if you think I typed that while speaking in a stentorian John Facenda voice, I absolutely did.
From The Wall Street Journal • Jan. 5, 2026
I stood as far back as I could in the snug compartment and grimaced my way through it.
From Los Angeles Times • Dec. 9, 2025
During flight, astronauts will be in a crew compartment near the top.
From Slate • Dec. 9, 2025
We found ourselves in a different compartment, where the water came up to my ankles and I had to crouch to avoid bumping my head on the upper deck.
From "Tristan Strong Punches a Hole in the Sky" by Kwame Mbalia
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.