Definition of "Wrench" :
noun: a hand tool that is used to hold or twist a nut or bolt
noun: a jerky pulling movement
noun: a sharp strain on muscles or ligaments
"The wrench to his knee occurred as he fell."
verb: twist suddenly so as to sprain
"Wrench one's ankle."
verb: twist and compress, as if in pain or anguish
verb: 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."
verb: make a sudden twisting motion