Source : WordNet®

double-geared
     adj 1: equipped 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"
     2: (of a lathe) equipped with gearing for reducing the speed of
        the spindle from that of the driving pulley; "a
        back-geared lathe" [syn: {back-geared}]