clotheshorse vs adult male

clotheshorse and adult male both are nouns.

Word	Noun	Adjective	Verb	Adverb
clotheshorse	Yes	No	No	No
adult male	Yes	No	No	No

As nouns, adult male is a hypernym of clotheshorse; that is, adult male is a word with a broader meaning than clotheshorse:

Other hypernyms of clotheshorse include man.

clotheshorse (noun)	adult male (noun)
a framework on which to hang clothes (as for drying)	an adult person who is male (as opposed to a woman)
a man who is much concerned with his dress and appearance