crosshair
/ˈkrɒshaɪər/Definitions
1. noun
A set of two intersecting lines or dots, typically in the shape of an ‘X’, used to aim a gun or other device.
“The rifle’s scope featured a crosshair that helped her line up her target.”
2. verb
To adjust or align something, typically a gun or other device, using a crosshair or similar aiming device.
“She crosshairs the scope to ensure a precise shot.”