Judas window

noun

A window enabling a prison guard to see into a cell without being seen by the prisoner.

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Meanings

nounJudas window (plural Judas windows)

plural Judas windows

  1. A window enabling a prison guard to see into a cell without being seen by the prisoner.

    A prisoner may be confined nude in a cell with a Judas window and intruded upon periodically while there.

    1989, James P. Sterba, Creighton Peden, Freedom, equality, and social change, page 314
    1 more example

    Luckily an officer happened to look through the judas-window in the door and rushed in to save the witness

    2017, Theodore Dalrymple, The Knife Went In

Synonyms & antonyms

Also see
judas-hole
Cite this entry
APA

Judas window. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Judas%20window

MLA

“Judas window.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Judas%20window. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Judas window,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Judas%20window.

Source: Judas window on Wiktionary, CC BY-SA 4.0.