DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   mnemonic
       adj 1: of or relating to or involved the practice of aiding the
              memory; "mnemonic device" [syn: mnemonic,
              mnemotechnic, mnemotechnical]
       n 1: a device (such as a rhyme or acronym) used to aid recall