Definitions
1.NounAlternative letter-case form of Golf of the ICAO/NATO radiotelephony alphabet.
2.NounA ball game played by individuals competing against one another in which the object is to hit a ball into each of a series of (usually 18 or nine) holes in the minimum number of strokes.
3.NounAlternative letter-case form of Golf from the NATO/ICAO Phonetic Alphabet.
4.VerbTo play the game of golf.
5.VerbTo write something in as few characters as possible (e.g. in code golf, regex golf)