Nine-ball is a popular game played on a billiards table. It is also known as "nine-ball pool" or simply "nine-ball." Some other synonyms for this game include "strike pool," "rotation pool," and "nine-ball rotation." The game involves nine balls, each numbered from one to nine, which must be pocketed in sequential order by the players. Other synonyms for nine-ball can include "American rotation," "Diamond Nine," and "Chicago nine-ball." Regardless of the name used, nine-ball remains a fun and challenging game that requires both skill and strategy to play well.