Miscue (noun)

An error in a shot in billiards or pool, caused by striking the cue ball incorrectly or accidentally striking another ball first.

Origin:

From the prefix "mis-" meaning "wrongly" or "badly" and "cue" meaning "a signal for an action or a movement".

Examples:

1. The player made a miscue and scratched the cue ball in the pocket.
2. The beginner's shot was a miscue, missing the target ball entirely.
3. The professional player made a rare miscue, costing him the match.
4. The pool table had a miscue ball to help players practice their shots.
5. The refree called a foul on the player for committing a miscue.