Definitions

1. noun

A small grid of fine lines and dots in the center of an optical instrument, such as a telescope or rifle scope, used for aiming or measuring.

“The astronomer carefully adjusted the reticle to get a precise reading of the star’s position.”

2. noun

A pattern of fine lines and dots used as a measuring device or a aiming point in various optical instruments.

“The rifle scope features a reticle that helps shooters adjust their aim for accuracy.”