Wrest

1. n. A partition in a water wheel, by which the form of the buckets is determined.
2. v. t. 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.
3. v. t. To turn from truth; to twist from its natural or proper use or meaning by violence; to pervert; to distort.
4. v. t. To tune with a wrest, or key.
5. n. The act of wresting; a wrench; a violent twist; hence, distortion; perversion.
6. n. Active or moving power.
7. n. A key to tune a stringed instrument of music.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.