from The Century Dictionary and Cyclopedia
- Having two changes of the speed by means of gears, as in the back-gears of a lathe.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. equipped with compound gearing consisting of 2 pinions and 2 wheels in mesh to increase the mechanical advantage
- adj. (of a lathe) equipped with gearing for reducing the speed of the spindle from that of the driving pulley
Sorry, no etymologies found.