Definitions:

1. A car at the end of a freight train, historically used by the train crew for various purposes such as housing, office space, and observation. NOUN
   • The children were excited to explore the brightly painted caboose at the railway museum.
2. A term primarilly associated with railroads, referring to a type of train car. NOUN
   • The old railroad caboose has been converted into a small museum, showcasing the history of the railway.
3. A type of railroad car, which is usually positioned at the end of a train, that traditionaly provided shelter for crew members who were responsible for tasks such as monitoring the train and operating manual brakes. NOUN
   • As the train rumbled through the countryside, the conductor watched from the rear window of the caboose.

Synonyms:

• brake van
• cabin car
• end car
• guard's van
• railway car