peep sight

a plate containing a small hole through which a gunner peeps in sighting.

Origin of peep sight

First recorded in 1880–85

peen, peene, peenemünde, peep, peep show, peep sight, peepee, peeper, peephole, peeping tom, peeps

The American contrivance of the peep-sight is a very minute instrument, with a still smaller aperture.

The Theory and Practice of Archery |Horace Ford
I have experimented with peep-sights; but one cannot hold a pistol steadily enough to get the full advantage of a peep-sight.

Automatic Pistol Shooting |Walter Winans
At the quarter-pole Kay had worked her mount easily up through the ruck to contend with Peep-sight.

The Pride of Palomar |Peter B. Kyne
While this was proceeding Robert would be at the shoulder-piece, his eye at the peep-sight, aiming at some boat in the river.

An Annapolis First Classman |Lt.Com Edward L. Beach

"By Jove, that Peep-sight is a streak," Parker declared admiringly.

The Pride of Palomar |Peter B. Kyne

peep sight

an adjustable rear gun sight with a narrow aperture through which the target and the front sight are aligned when aiming