\Torque\, n. [L. torques a twisted neck chain, fr.
torquere to twist.]
1. A collar or neck chain, usually twisted, especially as
   worn by ancient barbaric nations, as the Gauls, Germans,
   and Britons.

2. [L. torquere to twist.] (Mech.) That which tends to
   produce torsion; a couple of forces. --J. Thomson.

3. (Phys. Science) A turning or twisting; tendency to turn,
   or cause to turn, about an axis.