1. partitioned space: one of the areas into which an enclosed space is divided
2. train car section: a walled area within a railroad passenger car, with a door and features such as two facing rows of seats or sleeping accommodations
3. smaller part: a separate part of something larger He liked to divide his life into different compartments. a glove compartment
[Mid-16th century. < French compartiment< late Latin compartiri "divide up" < Latin partiri "divide" < pars "part"]
