Obliquation \Ob`li*qua"tion\, n. [L. obliquatio, fr. obliquare to turn obliquely. See {Oblique}.] 1. The act of becoming oblique; a turning to one side; obliquity; as, the obliquation of the eyes. [R.] --Sir T. Browne. 2. Deviation from moral rectitude. [R.]