/ Dictionary / Index C compartmentation: Meaning and Definition of Find definitions for: com•part•men•ta•tion Pronunciation: (kum-pärt"mun-tā'shun), [key] — n. Naut. subdivision of a hull into spaces enclosed by watertight bulkheads and sometimes by watertight decks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. compartmentalize compass Related Content Daily Word Quiz: longevity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language