From Longman Dictionary of Contemporary Englishtreasure trovetreasure trove /ˈtreʒə trəʊv $ -ʒər troʊv/ noun [uncountable] 1 a group of valuable or interesting things or pieces of information, or the place where they aretreasure trove of Our Science Shop is a treasure trove of curiosities and gadgets.2 SCL British English lawVALUE valuable objects, coins etc that are found where they have been hidden or buried, which are not claimed by anyone
Examples from the Corpus
treasure trove• Angkor is a treasure trove of history, culture and art.• The atmosphere itself, as analyzed by the Viking landers, is a treasure trove of seemingly paradoxical features.• It was a treasure trove of books, photos, clothing, and memorabilia.• They were closely followed by the children who settled down to wait for their treasure trove.• Plans are under way as to how best to display this treasure trove.Origin treasure trove (1500-1600) Anglo-French tresor trové “found treasure” 