Scotomy
Pronunciation : Scot"o*my
Part of Speech : n.
Etymology : [NL. scotomia, from Gr. sko`tos darkness: cf. F. scotomie.]
Definition : 1. Dizziness with dimness of sight. [Obs.] Massinger.
2. (Med.)
Defn: Obscuration of the field of vision due to the appearance of a dark spot before the eye.
Source : Webster's Unabridged Dictionary, 1913