From King Dictionary of Contemporary English
Related topics: Trains & railways
cabooseca‧boose /kəˈbuːs/ noun [countable] American EnglishTTT a small railway carriage at the back of a train, usually where the person in charge of it travels SYN guard’s van British English
Examples from the Corpus
cabooseAnd not a liberalism that merely acquiesces as it looks to personal advancement, the Clinton caboose.Trailing that problem like a rattling caboose was the need to tell Spider he was quitting.The runner was nothing more than the caboose.
Origin caboose (1700-1800) Dutch cabuis, from Middle Low German kabuse