portmanteau word is a noun meaning "a new word formed by joining two others and combining their meanings". It carries one recorded sense.
a new word formed by joining two others and combining their meanings
“`smog' is a blend of `smoke' and `fog'”
“`motel' is a portmanteau word made by combining `motor' and `hotel'”
“`brunch' is a well-known portmanteau”
Definitions, synonyms and semantic relations for portmanteau word come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.