grand slam tournament
/ˌɡrænd ˈslæm ˌtʊənəmənt/
noun
-
One of the four most important annual tennis competitions: the Australian Open, the French Open, Wimbledon, or the US Open.
B1countable
- "She hopes to win a grand slam tournament one day."B1
- "The French Open is one of the four grand slam tournaments in tennis."B2
- "Winning all four grand slam tournaments in the same year is an exceptionally rare achievement."B2