(on a firearm) a rear sight consisting of a notch across which the gunner aligns the front sight on the target.
- Compare peep sight.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use open sight in a sentence
The following illustration is the normal sight when the open sight notch is used.The Plattsburg Manual | O.O. Ellis and E.B. Garey
Lateral sliding-bars or wind-gauge may be used on rear open sight, also any elevating front or rear open sight.The Modern American Pistol and Revolver | A. C. Gould
The battle sight is the open sight seen when the leaf is laid flat.Manual for Noncommissioned Officers and Privates of Cavalry of the Army | War Department.
The sighting (p. 249) bar with open sight will be used to teach the normal sight and to demonstrate errors likely to be committed.Manual for Noncommissioned Officers and Privates of Cavalry of the Army | War Department.
But here is Job struck down in the open sight of others; and is it for harshness to the poor?Expositor's Bible: The Book of Job | Robert Watson