ratchet Pronunciation: /ˈrætʃɪt/Translate ratchet | into Italian German translation of ratchetn. 1 [Mech. Engin.] (set of teeth) Zahnkranz 2ratchet [wheel] = Klinkenradratchet in other Oxford dictionaries Definition of ratchet in the British & World English dictionary Definition of ratchet in the US English dictionary