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English definition of “portmanteau”

portmanteau

noun [C]     /pɔːtˈmæn.təʊ/ US  /pɔːrtˈmæn.toʊ/ (plural portmanteaus or portmanteaux   /-təʊz/   US  /-toʊz/) old-fashioned
a large case for carrying clothes while travelling, especially one that opens out into two partsContainers for carrying personal possessions
(Definition of portmanteau noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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