the act of keeping things somewhere so that they can be used later, especially goods or energy supplies: storage of energy/goods/waste There must be proper plans in place for the storage of nuclear waste. a storage company/depot/facility A fire put the country's largest gas storage facility out of action.

Definition of storage. 1 a : space or a place for storing. b : an amount stored. c : memory sense 4. 2 a : the act of storing : the state of being stored especially : the safekeeping of goods in a depository (such as a warehouse) b : the price charged for keeping goods in a storehouse.