lifting device vs winch

lifting device and winch both are nouns.

Word	Noun	Adjective	Verb	Adverb
lifting device	Yes	No	No	No
winch	Yes	No	Yes	No

As nouns, winch is a hyponym of lifting device; that is, winch is a word with a more specific, narrower meaning than lifting device:

lifting device: a device for lifting heavy loads
winch: lifting device consisting of a horizontal cylinder turned by a crank on which a cable or rope winds

Other hyponyms of lifting device include crane, elevator, lift, hoist, windlass.

lifting device (noun)	winch (noun)
a device for lifting heavy loads	lifting device consisting of a horizontal cylinder turned by a crank on which a cable or rope winds

lifting device (verb)	winch (verb)
	pull or lift up with or as if with a winch