1.
1. A winding, bending, or twisting.
2. The bending or twining of any part of a plant toward one side or the other, or in any direction from the vertical.
Origin: L. Intortio a curling, crisping: cf. F. Intorsion. See Intort, and cf. Intortion.
Source: Websters Dictionary
(01 Mar 1998)