Definitions

1. noun

A point on a gun or other aiming device where the sights intersect when the weapon is level.

“The gun’s boresight was set incorrectly, causing the bullet to veer off target.”

2. noun

A point or line on a telescope or other optical instrument where the image of an object is formed.

“The astronomer adjusted the telescope’s boresight to get a clearer view of the distant star.”

3. verb

To aim or align a gun or other device at a target, typically by adjusting the boresight.

“The shooter carefully boresighted the rifle before taking the shot.”