wheel

n. 1 circular frame or disc which revolves on an axle and is used for vehicular or other mechanical motion. 2 wheel-like thing. 3 motion as of a wheel, esp. The movement of a line of soldiers with one end as a pivot. 4 (in pl.) Slang car. 5 = *steering-wheel. v. 1 a turn on an axis or pivot. B swing round in line with one end as a pivot. 2 a (often foll. By about, round) change direction or face another way. B cause to do this. 3 push or pull (a wheeled thing, or its load or occupant). 4 go in circles or curves.  at the wheel 1 driving a vehicle. 2 directing a ship. 3 in control. On wheels (or oiled wheels) smoothly. Wheel and deal engage in political or commercial scheming. Wheels within wheels 1 intricate machinery. 2 colloq. Indirect or secret agencies.  wheeled adj. (also in comb.). [old english]

n. 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.