DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
more options

Found one definition 

  1.                 From WordNet (r) 3.0 (2006):
                

    
                
                  
    dkm
    n 1: a metric unit of length equal to ten meters [syn:
         decameter, dekameter, decametre, dekametre, dam,
         dkm]