Asian country vs Cathay

Asian country and Cathay both are nouns.

Word	Noun	Adjective	Verb	Adverb
Asian country	Yes	No	No	No
Cathay	Yes	No	No	No

Asian country (noun)	Cathay (noun)
any one of the nations occupying the Asian continent	a communist nation that covers a vast territory in eastern Asia; the most populous country in the world