The definition of a champion is a person who is the best in his field or who has defeated all rivals.(noun)
An example of a champion is an Olympic gold medal winner.
To champion is defined as to speak up in favor of or in support of a cause.(verb)
An example of champion is an active supporter of women's rights.
See champion in Webster's New World College Dictionary
Origin: OFr (? via Gmc *kampjo) < LL campio, gladiator < L campus, field: see campus
See champion in American Heritage Dictionary 4
Origin: Middle English champioun, combatant, athlete
Origin: , from Old French champion
Origin: , from Medieval Latin campiō, campiōn-
Origin: , from Latin campus, field.
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