champion: Meaning and Definition of

cham•pi•on

1. a person who has defeated all opponents in a competition or series of competitions, so as to hold first place: the heavyweight boxing champion.
2. anything that takes first place in competition: the champion of a cattle show.
3. an animal that has won a certain number of points in officially recognized shows: This dog is a champion.
4. a person who fights for or defends any person or cause: a champion of the oppressed.
5. a fighter or warrior.

1. to act as champion of; defend; support: to champion a cause.
2. to defy.

1. first among all contestants or competitors.
2. first-rate.