DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   cm
       n 1: a metric unit of length equal to one hundredth of a meter
            [syn: centimeter, centimetre, cm]
       2: a radioactive transuranic metallic element; produced by
          bombarding plutonium with helium nuclei [syn: curium, Cm,
          atomic number 96]