from
The Collaborative International Dictionary of English v.0.48
Wrest \Wrest\, n.
1. The act of wresting; a wrench; a violent twist; hence,
distortion; perversion. --Hooker.
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2. Active or moving power. [Obs.] --Spenser.
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3. A key to tune a stringed instrument of music.
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The minstrel . . . wore round his neck a silver
chain, by which hung the wrest, or key, with which
he tuned his harp. --Sir W.
Scott.
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4. A partition in a water wheel, by which the form of the
buckets is determined.
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{Wrest pin} (Piano Manuf.), one of the pins around which the
ends of the wires are wound in a piano. --Knight.
{Wrest plank} (Piano Manuf.), the part in which the wrest
pins are inserted.
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