1. （体育赛事的）冠军保持者;冠军
    The title-holder is the person who most recently won a sports competition that is held regularly.

    e.g. Kasparov became the youngest world title-holder at 22.
           卡斯帕罗夫 22 岁时成为最年轻的世界冠军。

noun

1. someone who has won first place in a competition

    Synonym: championchamp