Judas window

English

Noun

Judas window (plural Judas windows)

  1. A window enabling a prison guard to see into a cell without being seen by the prisoner.
    • 1989, James P. Sterba, Creighton Peden, Freedom, equality, and social change, page 314:
      A prisoner may be confined nude in a cell with a Judas window and intruded upon periodically while there.
    • 2017, Theodore Dalrymple, The Knife Went In:
      Luckily an officer happened to look through the judas-window in the door and rushed in to save the witness