What is another word for loading device?

There isn't one single perfect synonym for "loading device" as the most appropriate alternative depends on the context. Here are some options based on what the loading device does:

General terms:

* Loader

* Mechanism

* Appliance

* Tool

* System

* Unit

More specific terms:

* Magazine: For firearms

* Clip: For firearms

* Cartridge belt: For firearms

* Hopper: For bulk materials

* Conveyor: For moving items

* Injector: For liquids or gases

* Feed mechanism: For automatic machinery

* Charging system: For batteries

Examples:

* "The loading device for the firearm is called a magazine."

* "The loading device for the cement mixer is a hopper."

* "The loading device for the car battery is a charging system."

To get the most accurate synonym, it would be helpful to know what kind of loading device you're talking about and what it's used for.