noun
or in·tor·tion ə̇n.ˈtȯrshən
( -s )
Etymology: Late Latin intortion-, intortio action of curling, from Latin intortus (past participle of intorquēre to twist, from in- in- (II) + torquēre to twist) + -ion-, -io -ion — more at torture
: a winding, bending, or twisting around (as of the stem of a plant) ; specifically : inward rotation (as of a body part) about an axis or a fixed point — compare extorsion