an optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument

optical device that helps a user to find the target of interest

a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)

an arrangement of sights that makes possible the rapid aiming of a firearm at short ranges

rear gunsight having an open notch instead of a peephole or telescope

gunsight (a telescopic device for an artillery piece) that can be rotated horizontally in a full circle

rear gunsight having an adjustable eyepiece with a small aperture through which the front sight and the target are aligned

the adjustment of a gunsight for elevation and windage on a particular range under favorable light conditions

optical device that helps a user to find the target of interest

a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)