golf grand slam

noun

1. The achievement of winning all four major championships in professional golf, either in a single calendar year or over a career.

   B2

   countable noun phraseformal

   • "Only a few golfers have completed the golf grand slam."B1
   • "Tiger Woods came close to achieving a golf grand slam in 2000."B2
   • "The golfer's career golf grand slam established her as one of the sport's greatest players."C1