Webster's Revised Unabridged Dictionary · 1913

Distortion

Distortion , noun

[Latin distortio: compare French distortion.]

1.
The act of distorting, or twisting out of natural or regular shape; a twisting or writhing motion; as, the distortions of the face or body.
2.
A wresting from the true meaning. — Bp. Wren
3.
The state of being distorted, or twisted out of shape or out of true position; crookedness; perversion.
4.
(Medicine) An unnatural deviation of shape or position of any part of the body producing visible deformity.