A type of grand slam in tennis, where a player is reigning champion of all the major tournaments at the same time, but not all the tournaments have occurred in the same tennis season/calendar year.
Origin
Serena + slam
From Serena Williams who achieved the feat (though she was not the first) and was greatly celebrated for it.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.