A part of a mechanism or device which serves to carry, transfer, or hold another part or something which is being worked with.

Chiefly U.S. figurative. In machinery (originally that of a sawmill): the rod connecting a drive wheel or similar to the part being driven; a…

Mechanics. A part of a machine, typically a wheel, which transmits motion to other parts, or to which power is directly applied; a driving wheel.

That wherein or whereby two component members or elements of an artificial structure or mechanism are joined or fitted together, either so as to be…

a joint or coupling which allows free movement in any direction of the parts joined; esp. one which can transmit rotary motion from one shaft to…

a connecting rod that transmits motion (esp. from a hand lever), to a distant part of a mechanism.

= Hooke's joint n. at sense 1a.

contrivances for transmitting motion by frictional contact.

Also occasionally impellor. A part of a machine or apparatus designed to impart motion to a fluid by rotation, esp. in a restricted space (as in a…

mechanism for transmitting the power of an engine, etc.

Mechanics. Transference of motive force from one place to another; concrete a device for effecting this; spec. short for transmission-gear n. at…

= fluid coupling n.

a kind of universal joint (see universal joint n. at universal, adj. n.adv. compounds) for transmitting rotary motion from one shaft to another.

a device that varies or multiplies torque.

a device that makes use of oil or some other liquid to transmit torque from one shaft to another.

universal joint.