/ Dictionary / Index C compartmental: Meaning and Definition of Find definitions for: com•part•men•tal Pronunciation: (kum-pärt-men'tl, kom"pärt-), [key] — adj. divided into compartments: a compartmental office; a compartmental agency. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: compartmental (Thesaurus) compartment compartmentalize Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language