caboose

IPA: kʌbˈus

(obsolete, nautical) A small galley or cookhouse on the deck of a small vessel.
(historical, nautical) A small sand-filled container used as an oven on board ship.
(US, rail transport) The last car on a freight train, having cooking and sleeping facilities for the crew; a guard’s van.
(slang, childish, euphemistic) The buttocks.
(slang, sports) The person or team in last place.
(informal, often in combination) A youngest child who is born after a long gap in time.

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