VOLUNTARY a.
Of or pertaining to the will; subject to, or regulated by, the will; as, the voluntary motions of an animal, such as the movements of the leg or arm (in distinction from involuntary motions, such as the movements of the heart); the voluntary muscle fibers, which are the agents in voluntary motion.
WHEEL n.
Wheel plough, a plow having one or two wheels attached, to render it more steady, and to regulate the depth of the furrow. -- Wheel press, a press by which railway-car wheels are forced on, or off, their axles. -- Wheel race, the place in which a water wheel is set. -- Wheel rope (Naut.), a tiller rope. See under T…