'portmanteau word' definitions:

Definition of 'portmanteau word'

From: WordNet
noun
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" [syn: blend, portmanteau word, portmanteau]

Definition of 'portmanteau word'

From: GCIDE
  • portmanteau word \port*man"teau word`\, n. [See portmanteau.] A word formed by joining two others; -- as, smog is formed from smoke and fog. [Wordnet 1.6]

Synonyms of 'portmanteau word'

From: Moby Thesaurus