donkey engine is a noun meaning "a locomotive for switching rolling stock in a railroad yard". It carries 2 recorded senses.
a locomotive for switching rolling stock in a railroad yard
(nautical) a small engine (as one used on board ships to operate a windlass)
ship
Definitions, synonyms and semantic relations for donkey engine come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.