double-geared

Adj.	1.	double-geared - 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.	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" Synonyms: back-geared

geared