A ball with which the game of golf is played. See golf.(noun)
The Century Dictionary (Public Domain)
Use "golf-ball" in a sentence
"Cobbles here range from golf-ball size to soccer-ball size."
"As for the golf-ball size abscess (which appeared just last night!) it was nothing to worry about."
"Martin Ramin for The Wall Street Journal The kind of golf-ball distinctions that make a difference to Tour pros would not even be detectable to the vast majority of rank-and-file players."