"Rotary" refers to a type of motion where an object turns around a central point or axis. This can be seen in everyday items like a ferris wheel or a ceiling fan, where parts rotate to create movement or airflow. The concept of rotary motion is essential in various machines, such as engines and turbines, which rely on this movement to function efficiently. In addition to its mechanical meaning, "rotary" can also describe organizations like the Rotary Club. These clubs focus on community service and bringing people together to make a positive impact. Members often engage in projects that help improve local and global communities, emphasizing the importance of teamwork and collaboration.