Definition of priest's hole in English:

priest's hole

noun

historical
  • A hiding place for a Roman Catholic priest during times of religious persecution.

    • ‘Catherine appointed the Benedictine Father Huddleston, who had hidden Charles II in his priest's hole after the Battle of Worcester in 1651.’
    • ‘A tour round some of the hidden parts of Towneley Hall, including priest's holes, the cellars and the attic, is also on the agenda.’