n. 1.a person who backs a politician or a team etc. 2.someone who supports or champions something 3.a person who contributes to the fulfillment of a need or furtherance of an effort or purpose 4.a band (usually elastic) worn around the leg to hold up a stocking (or around the arm to hold up a sleeve) 5.a support for the genitals worn by men engaging in strenuous exercise
