open sight

American  

noun

1. (on a firearm) a rear sight consisting of a notch across which the gunner aligns the front sight on the target.

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Etymology

Origin of open sight

First recorded in 1585–95

Example Sentences

This is particularly true in the age of the open floor plan, where people knock down walls for open sight lines in their homes.

From Scientific American • Jul. 30, 2017

Suddenly I was attracted by Bartleby’s closed desk, the key in open sight left in the lock.

From Slate • Oct. 22, 2015

With her arms outstretched and her torso resting on the ground, she slowly closed her phone, keeping her hands in open sight.

From "The Other Wes Moore: One Name, Two Fates" by Wes Moore

At his belt, within easy reach, and in open sight, he carried a dagger.

From Little Journeys to the Homes of the Great, Volume 7 Little Journeys to the Homes of Eminent Orators by Hubbard, Elbert

The sighting bar with open sight will be used to teach the normal sight and to demonstrate errors likely to be committed.

From Manual for Noncommissioned Officers and Privates of Infantry of the Army of the United States, 1917 To be used by Engineer companies (dismounted) and Coast Artillery companies for Infantry instruction and training by United States War Department