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]
WordNet (r) 3.0 (2006):
power takeoff
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]