DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   pun
       n 1: a humorous play on words; "I do it for the pun of it"; "his
            constant punning irritated her" [syn: pun, punning,
            wordplay, paronomasia]
       v 1: make a play on words; "Japanese like to pun--their language
            is well suited to punning"