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Machine :: Machine (n.) In general, any combination of bodies so connected that their relative motions are constrained, and by means of which force and motion may be transmitted and modified, as a screw and its nut, or a lever arranged to turn about a fulcrum or a pulley about its pivot, etc.; especially, a construction, more or less complex, consisting of a combination of moving parts, or simple mechanical elements, as wheels, levers, cams, etc., with their supports and connecting framework, calculated to

Rigger :: Rigger (n.) A cylindrical pulley or drum in machinery.

Key :: Key (n.) A bar, pin or wedge, to secure a crank, pulley, coupling, etc., upon a shaft, and prevent relative turning; sometimes holding by friction alone, but more frequently by its resistance to shearing, being usually embedded partly in the shaft and partly in the crank, pulley, etc..

Pulley :: Pulley (b. t.) To raise or lift by means of a pulley.

Polyspast :: Polyspast (n.) A machine consisting of many pulleys; specifically, an apparatus formerly used for reducing luxations..

Burton :: Burton (n.) A peculiar tackle, formed of two or more blocks, or pulleys, the weight being suspended to a hook block in the bight of the running part..

Cone Pulley :: Cone pulley () A pulley for driving machines, etc., having two or more parts or steps of different diameters; a pulley having a conical shape..

Trochlea :: Trochlea (n.) A pulley.

Tetraspaston :: Tetraspaston (n.) A machine in which four pulleys act together.

Face :: Face (n.) The principal dressed surface of a plate, disk, or pulley; the principal flat surface of a part or object..

Polive :: Polive (n.) A pulley.

Chain Wheel :: Chain wheel () A chain pulley, or sprocket wheel..

Telodynamic :: Telodynamic (a.) Relating to a system for transmitting power to a distance by means of swiftly moving ropes or cables driving grooved pulleys of large diameter.

Heterodromous :: Heterodromous (a.) Moving in opposite directions; -- said of a lever, pulley, etc., in which the resistance and the actuating force are on opposite sides of the fulcrum or axis..

Brail :: Brail (n.) Ropes passing through pulleys, and used to haul in or up the leeches, bottoms, or corners of sails, preparatory to furling..

Trochlea :: Trochlea (n.) A pulley, or a structure resembling a pulley; as, the trochlea, or pulleylike end, of the humerus, which articulates with the ulna; or the trochlea, or fibrous ring, in the upper part of the orbit, through which the superior oblique, or trochlear, muscle of the eye passes..

Pentaspast :: Pentaspast (n.) A purchase with five pulleys.

Face :: Face (n.) The width of a pulley, or the length of a cog from end to end; as, a pulley or cog wheel of ten inches face..

Lift :: Lift (n.) One of the steps of a cone pulley.

Step :: Step (v. i.) One of a series of offsets, or parts, resembling the steps of stairs, as one of the series of parts of a cone pulley on which the belt runs..

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