A ball is a spherical body, often bouncy and round. Many people use them for various activities, including ping pong, football, soccer, and even in military applications. The word ball is also used to refer to any rounded or protuberant part of a thing. Regardless of its shape, the ball is an integral part of most games, from soccer to four square. Listed below are a few examples of common ball games.
“On the ball” means a rounded object, a protuberance, or an arm. Likewise, “on the ball” means control over a person. Other examples of ball include alertness, competence, efficiency, skills, and knowledge. As a result, the word ball is used to describe almost anything that can make you successful. According to the fifth edition of the American Heritage Dictionary, the word ball refers to both the object and the person.