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