WATCH n.
covering, of a watch; also, a case for holding a watch, or in which it is kept. -- Watch chain. Same as watch guard, below. -- Watch clock, a watchman's clock; see under Watchman. -- Watch fire, a fire lighted at night, as a signal, or for the use of a watch or guard. -- Watch glass. (a) A concavo-convex glass for…
WHEEL n.
lying the power to the circumference of the wheel, and attaching the weight, by a rope or chain, to that of the axle. Called also axis in peritrochio, and perpetual lever, -- the principle of equilibrium involved being the same as in the lever, while its action is continuous. See Mechanical powers, under Mechanical. -…