gearbox Pronunciation: /ˈɡɪrbɑːks; ˈɡɪəbɒks/Translate gearbox | into French | into German | into Italian Spanish translation of gearboxn [Auto] caja (f) de cambios or velocidadesgearbox in other Oxford dictionaries Definition of gearbox in the British & World English dictionary Definition of gearbox in the US English dictionary