1 one of the separate sections into which some larger parts of a train (carriages)are divided （火车厢内的）隔间: a first-class compartment 头等隔间

2 one of the separate sections into which certain containers are divided （容器的）格，层: The drugs were discovered in a secret compartment in his suitcase. 毒品是在他手提箱中的一个暗格里发现的。