■ noun
1》 a sudden violent twist or pull.
2》 a feeling of abrupt pain and distress caused by one's own or another's departure.
3》 an adjustable tool like a spanner, used for gripping and turning nuts or bolts.
4》 Mechanics a combination of a couple with a force along its axis.
■ verb
1》 pull or twist suddenly and violently.
↘injure (a part of the body) as a result of a sudden twisting movement.
2》 turn or adjust (a nut or bolt) with a ~.
3》 archaic distort (something) to fit a particular theory or interpretation.
Origin
OE wrencan 'twist', of unknown origin.