DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   refresher
       n 1: a fee (in addition to that marked on the brief) paid to
            counsel in a case that lasts more than one day
       2: a drink that refreshes; "he stopped at the bar for a quick
          refresher"
       3: a course that reviews and updates a topic for those who have
          not kept abreast of developments [syn: refresher course,
          refresher]