DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   PTO
       n 1: a device that transfers power from an engine (as in a
            tractor or other motor vehicle) to another piece of
            equipment (as to a pump or jackhammer) [syn: power
    takeoff, PTO]