hay conditioner vs farm machine

hay conditioner and farm machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
hay conditioner	Yes	No	No	No
farm machine	Yes	No	No	No

As nouns, farm machine is a hypernym of hay conditioner; that is, farm machine is a word with a broader meaning than hay conditioner:

hay conditioner: a farm machine that treats hay to cause more rapid and even drying
farm machine: a machine used in farming

hay conditioner (noun)	farm machine (noun)
a farm machine that treats hay to cause more rapid and even drying	a machine used in farming