cochin china vs poultry

cochin china and poultry both are nouns.

Word	Noun	Adjective	Verb	Adverb
cochin china	Yes	No	No	No
poultry	Yes	No	No	No

As nouns, poultry is a hypernym of cochin china; that is, poultry is a word with a broader meaning than cochin china:

cochin china: Asian breed of large fowl with dense plumage and feathered legs
poultry: a domesticated gallinaceous bird thought to be descended from the red jungle fowl

Other hypernyms of cochin china include domestic fowl, fowl.

cochin china (noun)	poultry (noun)
Asian breed of large fowl with dense plumage and feathered legs	a domesticated gallinaceous bird thought to be descended from the red jungle fowl
	flesh of chickens or turkeys or ducks or geese raised for food