Open English Wordnet
Adjectives
(s)double-gearedequipped with compound gearing consisting of 2 pinions and 2 wheels in mesh to increase the mechanical advantage“the double-geared lifting mechanism of a crane”
(s)back-geared, double-geared(of a lathe) equipped with gearing for reducing the speed of the spindle from that of the driving pulley“a back-geared lathe”