com·part·ment/kəm`pɑrtmənt; kəmˈpɑːtmənt/ n [C] 1 a small enclosed space inside something where you can put things 〔存放物品的〕分隔间: a luggage compartment 行李间 2 one of the separate areas of a train in which passengers sit 〔列车〕车厢: a no-smoking compartment 禁烟车厢