see treasure trove. A collection of valuable items discovered or found; a treasure-trove. treasure trove
{i} collection of objects, aggregation of items; sum of money or collection of valuable items of unknown ownership that may be legally kept by the finder
If you describe something or someone as a treasure trove of a particular thing, you mean that they are a very good or rich source of that thing. The dictionary is a vast treasure trove of information
any collection of valuables that is discovered; "her book was a treasure trove of new ideas"; "mother's attic was a treasure trove when we were looking for antiques"
[ 'trOv ] (noun.) 1888. Originally in the phrase treasure trove, from Anglo-Norman tresor trové 'found treasure'; postnominal adjective later reinterpreted as head noun.