10. wrench a tool for gripping and turning or twisting the head of a bolt, a nut, a pipe, or the like, commonly consisting of a bar of metal with fixed or adjustable jaws.
Etymology: (bef. 1050; (v.) ME; OE wrencan to twist)
Definition of 'wrench'
Princeton's WordNet
1. (noun)wrench, twist, pull a sharpstrain on muscles or ligaments "the wrench to his knee occurred as he fell"; "he was sidelined with a hamstring pull"
3. (verb)wrench, spanner a hand tool that is used to hold or twist a nut or bolt
4. (verb)wrench, twist twist or pull violently or suddenly, especially so as to remove (something) from that to which it is attached or from where it originates "wrench a window off its hinges"; "wrench oneself free from somebody's grip"; "a deep sigh was wrenched from his chest"
6. (verb)wring, wrench twist and compress, as if in pain or anguish "Wring one's hand"
7. (verb)twist, sprain, wrench, turn, wrick, rick twist suddenly so as to sprain "wrench one's ankle"; "The wrestler twisted his shoulder"; "the hikers sprained their ankles when they fell"; "I turned my ankle and couldn't walk for several days"
7. (verb)wrench an instrument, often a simple bar or lever with jaws or an angular orifice either at the end or between the ends, for exerting a twisting strain, as in turning bolts, nuts, screw taps, etc.; a screwkey. Many wrenches have adjustable jaws for grasping nuts, etc., of different sizes