meat vs stew meat

meat and stew meat both are nouns.

Word	Noun	Adjective	Verb	Adverb
meat	Yes	No	No	No
stew meat	Yes	No	No	No

As nouns, stew meat is a hyponym of meat; that is, stew meat is a word with a more specific, narrower meaning than meat:

meat: the flesh of animals (including fishes and birds and snails) used as food
stew meat: tough meat that needs stewing to be edible

meat (noun)	stew meat (noun)
the choicest or most essential or most vital part of some idea or experience	tough meat that needs stewing to be edible
the flesh of animals (including fishes and birds and snails) used as food
the inner and usually edible part of a seed or grain or nut or fruit stone