apparatus

noun apparatus

• gear — Machinery. a part, as a disk, wheel, or section of a shaft, having cut teeth of such form, size, and spacing that they mesh with teeth in another part to transmit or receive force and motion. an assembly of such parts. one of several possible arrangements of such parts in a mechanism, as an automobile transmission, for affording different relations of torque and speed between the driving and the driven machinery, or for permitting the driven machinery to run in either direction: first gear; reverse gear. a mechanism or group of parts performing one function or serving one purpose in a complex machine: steering gear.
• means — to have in mind as one's purpose or intention; intend: I meant to compliment you on your work. Synonyms: contemplate.
• appliance — An appliance is a device or machine in your home that you use to do a job such as cleaning or cooking. Appliances are often electrical.
• mechanism — an assembly of moving parts performing a complete functional motion, often being part of a large machine; linkage.
• machine — an apparatus consisting of interrelated parts with separate functions, used in the performance of some kind of work: a sewing machine.