a circular frame turning about an axis; a rotating disk, whether solid, or a frame composed of an outer rim, spokes or radii, and a central hub or nave, in which is inserted the axle, -- used for supporting and conveying vehicles, in machinery, and for various purposes; as, the wheel of a wagon, of a locomotive, of a mill, of a watch, etc.-any instrument having the form of, or chiefly consisting of, a wheel.-a spinning wheel.  see under spinning.-an instrument of torture formerly used.-a circular frame having handles on the periphery, and an axle which is so connected with the tiller as to form a means of controlling the rudder for the purpose of steering.-a potter's wheel.  see under potter.-a firework which, while burning, is caused to revolve on an axis by the reaction of the escaping gases.-the burden or refrain of a song.-a bicycle or a tricycle; a velocipede.-a rolling or revolving body; anything of a circular form; a disk; an orb.-a turn revolution; rotation; compass.-to convey on wheels, or in a wheeled vehicle; as, to wheel a load of hay or wood.-to put into a rotatory motion; to cause to turn or revolve; to cause to gyrate; to make or perform in a circle.-to turn on an axis, or as on an axis; to revolve; to more about; to rotate; to gyrate.-to change direction, as if revolving upon an axis or pivot; to turn; as, the troops wheeled to the right.-to go round in a circuit; to fetch a compass.-to roll forward.