windlass vs yard donkey

windlass and yard donkey both are nouns.

Word	Noun	Adjective	Verb	Adverb
windlass	Yes	No	No	No
yard donkey	Yes	No	No	No

As nouns, yard donkey is a hyponym of windlass; that is, yard donkey is a word with a more specific, narrower meaning than windlass:

windlass: lifting device consisting of a horizontal cylinder turned by a crank on which a cable or rope winds
yard donkey: 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

Other hyponyms of windlass include capstan, yarder.

windlass (noun)	yard donkey (noun)
lifting device consisting of a horizontal cylinder turned by a crank on which a cable or rope winds	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