The term "birdie" is commonly used in the sport of golf. It refers to a score that is one stroke under par for a given hole. Achieving a birdie signifies a strong performance and skillful play, as golfers aim to complete the hole in fewer strokes than the par score. Golfers often strive for birdies to improve their overall score during a round. The term has become synonymous with excellence in golfing performance, illustrating a golfer's ability to navigate the course effectively.