4. (Mach.) A part that transmits motion to another part by contact with it, or through an intermediate relatively movable part, as a gear which drives another, or a lever which moves another through a link, etc. Specifically:
(a) The driving wheel of a locomotive. (b) An attachment to a lathe, spindle, or face plate to turn a carrier. (c) A crossbar on a grinding mill spindle to drive the upper stone.
5. (Naut.) The after sail in a ship or bark, being a fore-and-aft sail attached to a gaff; a spanker. Totten.
Driver ant (Zoöl.), a species of African stinging ant; one of the visiting ants (Anomma arcens); -- so called because they move about in vast armies, and drive away or devour all insects and other small animals.
Drive"way` (&?;), n. A passage or way along or through which a carriage may be driven.
Driv"ing, a. 1. Having great force of impulse; as, a driving wind or storm.