DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   conditioner
       n 1: exercise that conditions the body; "farm work can be a good
            conditioner"
       2: a trainer of athletes
       3: a substance used in washing (clothing or hair) to make things
          softer