- a group or combination of instruments, machinery, tools, materials, etc., having a particular function or intended for a specific use: Our town has excellent fire-fighting apparatus.
- any complex instrument or mechanism for a particular purpose.
- any system or systematic organization of activities, functions, processes, etc., directed toward a specific goal: the apparatus of government; espionage apparatus.
- a group of structurally different organs working together in the performance of a particular function: the digestive apparatus.
- a collection of instruments, machines, tools, parts, or other equipment used for a particular purpose
- a machine having a specific function
- the means by which something operates; organization
- any group of organs having a specific function