What is "peepholes"

Usage examples of "peepholes".

They stuck their ruby eyes to the peepholes and kept them firmly aimed at Nuri Bey's green, arched door way.

And around the walls, peering through peepholes that could be closed, were a dozen thugs.

Sufficient light for them to travel by came in through what amounted to peepholes in the walls on either side of them.

As a result, the air coming through the peepholes was hotter than an August day in broad sunlight.

But his human companions seemed to find themselves attracted to the point of fascination by the idea of looking through the peepholes at what was happening on the other side of the wall.

It was an establishment that had needed -landestine entrances and exits, not to mention peepholes and hidden staircases.