meat loaf vs loaf

meat loaf and loaf both are nouns.

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

As nouns, loaf is a hypernym of meat loaf; that is, loaf is a word with a broader meaning than meat loaf:

Other hypernyms of meat loaf include dish, loaf of bread.

meat loaf (noun)	loaf (noun)
a baked loaf of ground meat	a shaped mass of baked bread that is usually sliced before eating
	a quantity of food (other than bread) formed in a particular shape

meat loaf (verb)	loaf (verb)
	be about a place without any apparent purpose
	be lazy or idle