donkey engine

English Thesaurus

1. (nautical) a small engine (as one used on board ships to operate a windlass) (noun.artifact)

hypernym	:	engine,
definition	:	motor that converts thermal energy to mechanical work (noun.artifact)

domain category	:	ship,
definition	:	a vessel that carries passengers or freight (noun.artifact)

2. a locomotive for switching rolling stock in a railroad yard (noun.artifact)

hypernym	:	engine, locomotive, locomotive engine, railway locomotive,
definition	:	a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks (noun.artifact)