gearbox

== English == === Alternative forms === gear box gear-box === Etymology === From gear +‎ box. === Pronunciation === === Noun === gearbox (plural gearboxes) An enclosed gear train. That part of a car's transmission containing the train of gears, and to which the gear lever is connected. Holonym: transmission (metonymically synonymous) ==== Derived terms ==== ==== Descendants ==== → Persian: گیربکس (girboks) ==== Translations ====