1. a car at the rear of a freight train, typically used by the train crew
Usage: railroad terminology
2. the kitchen of a ship
Usage: nautical
3. a person’s buttocks
Usage: informal; humorous

Examples

• The red caboose at the end of the freight train housed the conductor.
• Railroad workers used the caboose as their mobile office during long trips.
• The old steam locomotive pulled twenty cars with a caboose bringing up the rear.
• The ship’s cook prepared meals in the caboose below deck.
• Modern freight trains rarely use cabooses anymore.
• The child fell and landed right on his caboose.
• She slipped on the ice and bruised her caboose.