DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   cilium
       n 1: a hairlike projection from the surface of a cell; provides
            locomotion in free-swimming unicellular organisms
       2: any of the short curved hairs that grow from the edges of the
          eyelids [syn: eyelash, lash, cilium]