B1
a person, animal, or team that wins a competition
Dictionary examples:
The spelling bee champion couldn't spell 'champion' in the final round. (0.0)
The forgetfulness champion forgot where he put his trophy. (0.0)
The procrastination champion finally showed up to receive his award... a year late. (0.0)
the division/league/World champions (38.4)
The defending champion plays his first match of this tournament tomorrow. (46.0)
She is the world champion for the third year in a row. (46.9)
an Olympic champion (60.1)