a hand tool that is used to hold or twist a nut or bolt
- nyckel [ teknik ]
a sharp strain on muscles or ligaments
- "the wrench to his knee occurred as he fell"
twist or pull violently or suddenly, esp. so as to remove (something) from that to which it is attached; also metaphorically: "a deep sigh was wrenched from his chest"
- "wrench oneself free from somebody's grip"
- "wrench a window off its hinges"
make a sudden twisting motion