noun
the four major tournaments; grand slam tournaments; majors
Refers to the four most prestigious tournaments in a sport, such as tennis Grand Slams or golf majors. Often used with a specific sport context.
テニスの四大大会は全豪、全仏、ウィンブルドン、全米です。
The four major tennis tournaments are the Australian Open, French Open, Wimbledon, and US Open.
彼は
He has won one of golf's four major championships.