What is another word for gear case?
Pronunciation: [ɡˈi͡ə kˈe͡ɪs] (IPA) 
A gear case is a mechanical device that is used to enclose and protect the gears. It is also known by other names, including gearbox, transmission case, gear housing, gear mechanism, or simply, case. The term "gearbox" is especially common and denotes a device that houses and applies gears to produce motion or power. The term "transmission case" is used in automotive settings, and the "gear housing" is a housing enclosure that protects the gears inside machines. "Gear mechanism" is a broad term that encompasses any device that allows torque to be transferred from one source to another. Finally, "case" is a general term that refers to any protective covering for a device or component.
