au jus vs meat

au jus is not a noun while meat is a noun.

Word	Noun	Adjective	Verb	Adverb
au jus	No	Yes	No	No
meat	Yes	No	No	No

au jus (noun)	meat (noun)
	the choicest or most essential or most vital part of some idea or experience
	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

au jus (adjective)	meat (adjective)
served in its natural juices or gravy