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