torque

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The moment of a force; the measure of a force's tendency to produce torsion and rotation about an axis, equal to the vector product of the radius vector from the axis of rotation to the point of application of the force and the force vector.
2. n. A turning or twisting force.
3. v. To impart torque to.
4. n. A collar, a necklace, or an armband made of a strip of twisted metal, worn by the ancient Gauls, Germans, and Britons.

Century Dictionary and Cyclopedia

1. n. A proposed unit for the measurement of the moment of forces; one dyne acting with a lever-arm of one centimeter. See unit of torque.
2. n. A twisted ornament forming a necklace or collar for the neck, particularly one worn by uncivilized people, and of such a make as to retain its rigidity and circular form. Such a collar was considered a characteristic attribute of the ancient Gauls. Also torques.
3. n. In mech., the moment of a system-force applied so as to twist anything, as a shaft in machinery.

Wiktionary

1. n. physics, mechanics A rotational or twisting effect of a force; a moment of force, defined for measurement purposes as an equivalent straight line force multiplied by the distance from the axis of rotation (SI unit newton-metre or Nm; imperial unit foot-pound or ft.lbf).
2. v. To twist or turn something.
3. n. A tightly braided necklace or collar, often made of metal, worn by various early European peoples.

GNU Webster's 1913

1. n. A collar or neck chain, usually twisted, especially as worn by ancient barbaric nations, as the Gauls, Germans, and Britons.
2. n. (Mech.) That which tends to produce torsion; a couple of forces.
3. n. (Phys. Science) A turning or twisting; tendency to turn, or cause to turn, about an axis.

WordNet 3.0

1. n. a twisting force