\Scot"o*my\, n. [NL. scotomia, from Gr. ? dizziness, fr.
? to darken, fr. sko`tos darkness: cf. F. scotomie.]
1. Dizziness with dimness of sight. [Obs.] --Massinger.
2. (Med.) Obscuration of the field of vision due to the
   appearance of a dark spot before the eye.