A garter worn around the leg to support a sock or stocking
1957, J. D. Salinger, "Zooey", in, 1961, , 1991 LB Books edition, page 117,From the radiator, where he was attaching supporters to his socks, Zooey glanced up at her.
(sports) Someone who is a fan of a certain team or sportsperson.
2011, October 20, Michael da Silva, Stoke 3 - 0 Macc Tel-Aviv, With the Stoke supporters jeering Ziv's every subsequent touch, the pantomime atmosphere created by the home crowd reached a crescendo when Ziv was shown a straight red shortly after the break in extraordinary circumstances.
(sports) Someone who attends a sports match.There were 10,000 supporters in the last match.