<p><strong>Noun</strong></p><ul><li>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.</li><li>any complex instrument or mechanism for a particular purpose.</li><li>Synonyms: contrivance, contraption, device, appliance, machine</li><li>any system or systematic organization of activities, functions, processes, etc., directed toward a specific goal: the apparatus of government; espionage apparatus.</li><li>Physiology: a group of structurally different organs working together in the performance of a particular function: the digestive apparatus.</li></ul>