(adj) (of a lathe) equipped with gearing for reducing the speed of the spindle from that of the driving pulley, Syn. double-geared, Example:a back-geared lathe
(adj) equipped with compound gearing consisting of 2 pinions and 2 wheels in mesh to increase the mechanical advantage, Example:the double-geared lifting mechanism of a crane
(n) a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion, Syn. cogwheel, gear wheel, geared wheel