pun - definition and synonyms

noun [countable] linguistics 

Your browser doesn’t support HTML5 audio

/pʌn/
singularpun
pluralpuns
  1. a humorous use of a word that has two meanings, or of words with the same sound but different meanings. For example, the joke 'When is a door not a door?' 'When it's ajar' depends on the fact that 'ajar' sounds like 'a jar'.
     Synonyms and related words