1. pivot (a thing on which something turns; specifically a metal pointed pin or short shaft in machinery, such as the end of an axle or spindle)

2. bollard (a strong vertical post preventing vehicle access to a pedestrian area, to delineate traffic lanes, or used for security purposes)

3. center (US, CA), centre (UK) (the player, generally the tallest, who plays closest to the basket) (basketball)

4. circle runner, pivot (handball)

5. pivot, defensive midfielder (soccer)