1. a winch (or system of winches) powered by an engine and used to haul logs from a stump to a landing or to a skid road; [syn: yarder, yard donkey]
WordNet (r) 3.0 (2006):
yard donkey
n 1: a winch (or system of winches) powered by an engine and
used to haul logs from a stump to a landing or to a skid
road [syn: yarder, yard donkey]