Eight ball is a term that refers to the black ball in pool games. This ball is often used for the final shot in a game of eight-ball, hence the popular name. However, there are several other synonyms for eight ball that one can use when playing pool or discussing the game. Some of these synonyms include "blackie," "the money ball," or simply "the eight." These names can vary depending on regional dialects or personal preferences. Regardless of the name used, the eight ball remains a crucial component of any game of pool, and its significance cannot be overstated.