titleholder /ˈtaɪtəlˌhəʊldə/ (also title-holder)

• 1. 

  N-COUNT The titleholder is the person who most recently won a sports competition that is held regularly. 冠军保持者

  例：

  Kasparov became the youngest world titleholder at 22.

  卡斯帕罗夫在22岁时成为最年轻的世界冠军。