Obs. [f. CONTRA- 1 + L. *nixiōn-em, n. of action from nītī to strive.] A striving against; exertion of opposing efforts.
1649. Bulwer, Pathomyot., II. ii. 119. In laughter there is made, by reason of the Contranixion, a certaine corrugation about the angle of the eye.