I. ˈrest transitive verb
Etymology: Middle English wrasten, wresten, from Old English wrǣstan; akin to Old Norse reista to bend and probably to Old English wrigian to turn — more at wry
Date: before 12th century
1. : to pull, force, or move by violent wringing or twisting movements
2. : to gain with difficulty by or as if by force, violence, or determined labor
II. noun
Date: 14th century
1. : the action of wresting : wrench
2. archaic : a key or wrench used for turning pins in a stringed instrument (as a harp or piano)