Definition of spyhole in English:

spyhole

noun

British
  • A peephole, especially one in a door for observing callers before opening.

    • ‘Ms Lomax looked through a spyhole in her front door and, seeing the figure in Halloween costume, decided not to open it.’
    • ‘‘It's a radical change from the traditional spyhole used in such cells and it allows much better communication between a prisoner and prison officers as well as better security,’ he said.’
    • ‘He has had new locks and a security chain and spyhole fitted and urged other vulnerable people to do the same.’
    • ‘We find a locked door, with a little spyhole, and ring a bell.’
    • ‘The door will be equipped with a spyhole and strong locks.’
    hole, gap, aperture, space, orifice, vent, slot, window, crack, slit, gash, split, fissure, perforation, cleft, crevice, cut, incision, rent, cavity, cranny, groove, chink, eye, mouth
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Pronunciation

spyhole

/ˈspʌɪhəʊl/