Caboose

Noun

 * 1) 🇺🇸 The last car on a freight train, having cooking and sleeping facilities for the crew; a guard’s van.
 * 2)  buttocks

Synonyms

 * guards van

Thesaurus
baggage car, bakehouse, bakery, boxcar, camboose, car, carriage, chair car, coach, coal car, cookery, cookhouse, cookroom, covered waggon, cuisine, day coach, diner, dinghy, dining car, drawing room, flat, flatcar, galley, gondola, kitchen, kitchenette, local, luggage van, mail car, mail van, palace car, parlor car, passenger car, railway car, reefer, refrigerator car, roomette, scullery, sleeper, smoker, smoking car, stockcar, tank, tender, truck, van, waggon