loaf vs meat loaf

loaf and meat loaf both are nouns.

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

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

Other hyponyms of loaf include French loaf, meatloaf.

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

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