1a person who approves of and encourages someone or something (typically a public figure, a movement or party, or a policy):Reagan supporterssupporters of the boycott
a person who is actively interested in and wishes success for a particular sports team.
2 Heraldry a representation of an animal or other figure, typically one of a pair, holding up or standing beside an escutcheon.
3 (in full athletic supporter)another term for jockstrap.
