What does Hitmarker mean in cod?

Hitmarker: A shot that hits an enemy player but doesn’t deliver enough damage to kill them. Usually in the context of a sniper.

What is a hit marker in gaming?

Overview. The hit marker often takes the form of an × in the center of the crosshair in FPS games, or a colored circle around it. Hit markers generally appear in the multiplayer portions of games, and rarely in single-player campaigns. Game appearances.