What is a r&a in golf?

Definition

The Royal and Ancient Golf Club of St Andrews, one of golf's governing bodies that jointly maintains the Rules of Golf with the USGA and oversees golf development worldwide except in the United States and Mexico. The R&A is responsible for rules interpretations, equipment standards, and amateur golf governance in most countries. Based at the historic St Andrews Links in Scotland, the R&A represents golf's heritage and traditions while working to grow and govern the modern game. The organization conducts major championships, supports golf development programs, and maintains the sport's integrity through rules administration and equipment regulation.