Pronunciation: (kum-pärt'munt),[key] —n. 1. a part or space marked or partitioned off.
2. a separate room, section, etc.: a baggage compartment. 3. U.S. Railroads.a private bedroom with toilet facilities.
4. a separate aspect, function, or the like: the compartments of the human mind. 5. Archit.a distinct major division of a design.
6. Heraldry.a decorative base, as a grassy mound, on which the supporters of an escutcheon stand or rest.