The term "frozen-food lockers" refers to refrigeration appliances that are used to store frozen food products. However, there are other words and phrases that can be used to describe this type of storage equipment. For example, you could refer to them as "freezers," "iceboxes," or "cold storage units." Alternatively, you might choose to use more specific terms, such as "deep freezers," "vertical freezers," or "chest freezers," depending on the type of appliance you are referring to. Whether you are discussing home refrigeration equipment or commercial cold storage solutions, there are many synonyms that can be used to describe frozen-food lockers.