midden vs trash dump

midden and trash dump both are nouns.

Word	Noun	Adjective	Verb	Adverb
midden	Yes	No	No	No
trash dump	Yes	No	No	No

As nouns, trash dump is a hypernym of midden; that is, trash dump is a word with a broader meaning than midden:

midden: (archeology) a mound of domestic refuse containing shells and animal bones marking the site of a prehistoric settlement
trash dump: a piece of land where waste materials are dumped

Other hypernyms of midden include dump, dumpsite, garbage dump, rubbish dump, waste-yard, wasteyard.

midden (noun)	trash dump (noun)
a heap of dung or refuse	a piece of land where waste materials are dumped
(archeology) a mound of domestic refuse containing shells and animal bones marking the site of a prehistoric settlement