Definition of hagioscope in English:

hagioscope

Pronunciation /ˈhaɡēəˌskōp/ /ˈhāɡēə-/ /ˈhæɡiəˌskoʊp/

noun

another term for squint (sense 3 of the noun)
‘At the time when the north aisle was added, a hagioscope was made in the pier beside the chancel arch.’
another term for squint (sense 3 of the noun)
  • ‘Up to 60 years ago there was only one central arch with window or hagioscope on either side.’
  • ‘The squints, or hagioscopes, were originally angled but were unfortunately straightened by the Victorians.’
  • ‘They could not enter churches, but were allowed to look through hagioscopes or ‘squint windows’.’
  • ‘On either side of the chancel arch is a hagioscope or squint, the south one being slightly larger than the north one, to allow for a view of the altar from the side pews.’