com ‧ part ‧ ment /kəmˈpɑːtmənt $ -ɑːr-/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Language: French ; Origin: compartiment , from Italian , from compartire 'to mark out into parts' ]
1 . a smaller enclosed space inside something larger:
The bag is divided into separate compartments.
engine compartment
She kept the money hidden in a secret compartment in her briefcase.
⇨ ↑ glove compartment
2 . one of the separate areas into which a plane, ship, or train is divided:
a first-class compartment