reigning grand slam champion
/ˈreɪnɪŋ ˌɡrænd slæm ˈtʃæmpiən/
noun phrase
-
The person who currently holds the title after winning the most recent Grand Slam tournament or championship.
B2countable noun phraseformal
- "The reigning Grand Slam champion lost in the first round."B1
- "As the reigning Grand Slam champion, she was expected to be one of the tournament favorites."B2
- "The reigning Grand Slam champion defended his title in a closely contested final."C1