Webster’s Revised Unabridged Dictionary · 1913
Strabismus
Stra·bis′mus (strȧ·bĭz′mŭs or ·bĭs′mŭs; 277), n. [NL., fr. Gr. στραβισμός, fr. στραβίζειν to squint, fr. στραβός distorted, squinting.] (Med.) An affection of one or both eyes, in which the optic axes can not be directed to the same object, — a defect due either to undue contraction or to undue relaxation of one or more of the muscles which move the eyeball; squinting; cross-eye.