wrest

v. t.

  1. To turn; to twist; esp., to twist or extort by violence; to pull of force away by, or as if by, violent wringing or twisting.
  2. To turn from truth; to twist from its natural or proper use or meaning by violence; to pervert; to distort.
  3. To tune with a wrest, or key.

n.

  1. The act of wresting; a wrench; a violent twist; hence, distortion; perversion.
  2. Active or moving power.
  3. A key to tune a stringed instrument of music.
  4. A partition in a water wheel, by which the form of the buckets is determined.