First attested 1564, from Middle French compartiment, from Italian compartimento, from Late Latin compartiri (“to divide with, to share with”), from com- + partiri (“to apportion, to divide, to share”)
compartment (plural compartments)
- A room, or section, or chamber
- Two men were seated in a well-lighted compartment of a third-class railway carriage.
- One of the parts into which an area is subdivided.
- (biochemistry) Part of a protein that serves a specific function.
- (heraldry) A mound (often of grass) beneath the shield in a coat of arms on which the supporters stand.
- (anatomy) A region in the body, delimited by a biological membrane.
part into which an area is subdivided
heraldry: mound beneath the shield
- (transitive) To arrange in separate compartments.