Storeroom
/ˈstɔːruːm/
Definition 1 of 1
Pro Tip 1/3Space for Supplies
A storeroom is often used in businesses to hold products or materials until needed. 
The restaurant's storeroom is stocked with non-perishable food items.
Pro Tip 2/3Not for Living
A storeroom is not designed as a living space; it's a functional area primarily for storage. 
Please place the unused chairs in the storeroom, not the living room.
Pro Tip 3/3Secured Access
Storerooms are often locked or have restricted access to protect the items inside. 
Only the manager has the key to access the storeroom.