<p><strong>Noun</strong></p><ul><li>something that produces or tends to produce torsion or rotation; the moment of a force or system of forces tending to cause rotation</li><li>the measured ability of a rotating element, as of a gear or shaft, to overcome turning resistance</li><li>the rotational effect on plane-polarized light passing through certain liquids or crystals</li><li>a collar, necklace, or similar ornament consisting of a twisted narrow band, usually of precious metal, worn especially by the ancient Gauls and Britons</li></ul><p><strong>Verb</strong></p><ul><li>to apply torque to (a nut, bolt, etc.); to cause to rotate or twist</li><li>to rotate or twist</li></ul>