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1. One of the parts or spaces into which an area is subdivided.
2. A separate room, section, or chamber: a storage compartment.
tr.v. com·part·ment·ed, com·part·ment·ing, com·part·ments
To compartmentalize: "The information has not been compartmented" (John H. Cushman, Jr.).
com′part·ment′al (kŏm′pärt-mĕn′tl) adj.