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English definition of “portmanteau”

portmanteau

noun [C] uk   /pɔːtˈmæn.təʊ/ us    /pɔːrtˈmæn.toʊ/ (plural portmanteaus or portmanteaux   /-təʊz/    /-toʊz/) old-fashioned
a large case for carrying clothes while travelling, especially one that opens out into two parts

portmanteau

adjective [before noun] uk   /pɔːtˈmæn.təʊ/ us    /pɔːrtˈmæn.toʊ/
consisting of a wide range of things that are considered as a single thing: The Official Secrets Act was described as a piece of portmanteau legislation, covering everything from nuclear weapons to army boots.
(Definition of portmanteau from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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