Mechanics . something that produces or tends to produce torsion or rotation; the moment of a force or system of forces tending to cause rotation.

Machinery . the measured ability of a rotating element, as of a gear or shaft, to overcome turning resistance.

Optics . the rotational effect on plane-polarized light passing through certain liquids or crystals.

Also, torc. a collar, necklace, or similar ornament consisting of a twisted narrow band, usually of precious metal, worn esp. by the ancient Gauls and Britons.

Machinery . to apply torque to (a nut, bolt, etc.).

to cause to rotate or twist.

to rotate or twist.

noun

armband , collar , force , necklace , revolution , turn , twist