'Hagioscope' definitions:

Definition of 'Hagioscope'

From: GCIDE

Hagioscope \Ha"gi*o*scope`\ (h[=a]"j[i^]*[-o]*sk[=o]p`), n. [Gr. "a`gios sacred + -scope.] An opening made in the interior walls of a cruciform church to afford a view of the altar to those in the transepts; -- called, in architecture, a squint. --Hook. [1913 Webster] hag-ridden