portmanteau

Short definition from Wiktionary

Noun

1. 1
   A large travelling case usually made of leather, and opening into two equal sections.
2. 2
   A schoolbag.
3. 3
   A hook on which to hang clothing.
4. 4
   A word formed by putting two words together and thereby their meaning e.g. shrinkflation.
5. 5
   A portmanteau film.

Adjective

1. 1
   Made by combining two (or more) words, stories, etc., in the manner of a linguistic portmanteau.

Verb

1. 1
   To create a portmanteau word.