intorsion noun3 •A winding, bending, or twisting. •A bending or twisting of an organ from its proper alignment.However, if postoperative anatomic intorsion is present, the patient may have DVD that was incorrectly diagnosed as IOOA and treated by IO muscle recessions. — 1999 •(no longer used) The bending or twisting of any part of a plant toward one side or the other, or in any direction from the vertical. formsintorsions