Scot'o·my noun [ New Latin scotomia , from Greek ... dizziness, from ... to darken, from sko`tos darkness: confer French scotomie .] 1. Dizziness with dimness of sight. [ Obsolete] Massinger. 2. (Medicine) Obscuration of the field of vision due ... Found on http://www.encyclo.co.uk/webster/S/36