DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   calyculus
       n 1: a group of bracts simulating a calyx as in a carnation or
            hibiscus [syn: epicalyx, false calyx, calycle,
            calyculus]
       2: a small cup-shaped structure (as a taste bud or optic cup or
          cavity of a coral containing a polyp) [syn: calyculus,
          caliculus, calycle]