storeroom

noun storeroom

• cupboard — A cupboard is a piece of furniture that has one or two doors, usually contains shelves, and is used to store things. In British English, cupboard refers to all kinds of furniture like this. In American English, closet is usually used instead to refer to larger pieces of furniture.
• depot — A depot is a place where large amounts of raw materials, equipment, arms, or other supplies are kept until they are needed.
• closet — A closet is a piece of furniture with doors at the front and shelves inside, which is used for storing things.
• cubbyhole — A cubbyhole is a very small room or space for storing things.
• granary — a storehouse or repository for grain, especially after it has been threshed or husked.