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