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s of which the halves of a pattern are fastened, to facilitate molding. Knight. -- Match wheel (Mach.), a cogwheel of suitable pitch to work with another wheel; specifically, one of a pair of cogwheels of equal size.

chanical powers, certain simple instruments, such as the lever and its modifications (the wheel and axle and the pulley), the inclined plane with its modifications (the screw and the wedge), which convert a small force acting throught a great space into a great force acting through a small space, or vice versa, and are…

The engagement of the teeth of wheels, or of a wheel and rack. Mesh stick, a stick on which the mesh is formed in netting.

nder, slag from a puddling furnace. -- Mill head, the head of water employed to turn the wheel of a mill. -- Mill pick, a pick for dressing millstones. -- Mill pond, a pond that supplies the water for a mill. -- Mill race, the canal in which water is conveyed to a mill wheel, or the current of water which drives th…

und to obstruct a water course, and raise the water to a height sufficient to turn a mill wheel.

nes on stuff to be mitered; also, a square with an arm adjustable to any angle. -- Miter wheels, a pair of bevel gears, of equal diameter, adapted for working together, usually with their axes at right angles.

A heavy locomotive for freight traffic, having three pairs of connected driving wheels and a two-wheeled truck. Great, or Grand, Mogul, the sovereign of the empire founded in Hindostan by the Mongols under Baber in the sixteenth century. Hence, a very important personage; a lord; -- sometimes only mogul. Dryden.…

monkey trick. [Slang, U.S.] -- Monkey trick, a mischievous prank. Saintsbury. -- Monkey wheel. See Gin block, under 5th Gin. -- Monkey wrench, a wrench or spanner having a movable jaw.

joint, a joint made by a mortise and tenon. -- Mortise lock. See under Lock. -- Mortise wheel, a cast-iron wheel, with wooden clogs inserted in mortises on its face or edge; -- also called mortise gear, and core gear.

-- Moth mullein (Bot.), a common herb of the genus Verbascum (V. Blattaria), having large wheel-shaped yellow or whitish flowers.

action of a machine with respect to the relative movement of its parts. This is the great wheel to which the clock owes its motion. Dr. H. More.

limited to motor cars (self-propelled vehicles) designed to travel on not more than three wheels, and weighing unladen (that is, without water, fuel, or accumulators necessary for propulsion) not more than three hundred weight (336 lbs.).

s; advancement; as, the movement of an army in marching or maneuvering; the movement of a wheel or a machine; the party of movement.

A wheel bug.

e whose fragments are so beautiful as those of Sappho. Addison. Mutilated gear, Mutilated wheel (Mach.), a gear wheel from a portion of whose periphery the cogs are omitted. It is used for giving intermittent movements.

successive phases of a scene, are printed on paper and mounted around the periphery of a wheel. The rotation of the wheel brings them rapidly into sight, one after another, and the blended effect gives a semblance of motion.

The block in the center of a wheel, from which the spokes radiate, and through which the axle passes; -- called also hub or hob.

A small two-wheeled one-horse vehicle.

A large water wheel, turned by the action of a stream against its floats, and carrying at its circumference buckets, by which water is raised and discharged into a trough; used in Arabia, China, and elsewhere for irrigating land; a Persian wheel.

An instrument attached to the wheel of a vehicle, to measure the distance traversed; also, a wheel used by surveyors, which registers the miles and rods traversed.