DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   Koch
       n 1: German bacteriologist who isolated the anthrax bacillus and
            the tubercle bacillus and the cholera bacillus (1843-1910)
            [syn: Koch, Robert Koch]