storehouse
/ˈstɔː(ɹ)haʊs/ noun C2- A building for keeping goods of any kind, especially provisions. · (obsolete)
- A single location or resource where a large quantity of something can be found. · This old book is a genuine storehouse of useful cooking tips.
Plural storehouses
From the library
The enormously thick walls and tiny windows of this part had in the last century driven the family into building the new wing, and the old one was used now as a storehouse and a cellar, when it was used at all.
"In my profession all sorts of odd knowledge comes useful, and this room of yours is a storehouse of it."
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