DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   reminder
       n 1: a message that helps you remember something; "he ignored
            his wife's reminders"
       2: an experience that causes you to remember something
       3: someone who gives a warning so that a mistake can be avoided
          [syn: admonisher, monitor, reminder]