compartment

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”).

• (General American) IPA^(key): /kəmˈpɑɹtmənt/
• (Received Pronunciation) IPA^(key): /kəmˈpɑːtmənt/

• Audio (Southern England)

  (file)

• Hyphenation: com‧part‧ment

compartment (plural compartments)

1. A room, or section, or chamber

   Two men were seated in a well-lit compartment of a third-class railway carriage.

   • 2014 April 28, Dr. Ulhas R. Gunjal, Home, Again!: A Novel of Identity, Self-Discovery, and Tragedy‎, AuthorHouse, →ISBN, →OCLC, page 313:

     This is a second-class ticket. And you're sitting in the first class!” “I'd no idea,” Haldiram said. “I didn't know what compartment was this.” And looking around, he asked, “Where does it say First Class? I still can't see it.

   • 2023 December 27, David Turner, “Silent lines...”, in RAIL, number 999, pages 29-30:

     Because of the heavy traffic, the 1960-61 Christmas guide to trains between King's Cross and the north stated: "To make travel conditions as comfortable as possible, passengers are requested to raise arm rests to enable four people to be seated on each side of those compartments which are fitted with arm rests."

2. One of the parts into which an area is subdivided.
3. (biochemistry) Part of a protein that serves a specific function.
4. (heraldry) A mound (often of grass), shelf (of e.g. wall) or other thing beneath the shield in a coat of arms on which the supporters stand.
5. (anatomy) A region in the body, delimited by a biological membrane.

compartment (third-person singular simple present compartments, present participle compartmenting, simple past and past participle compartmented)

1. (transitive) To arrange in separate compartments.