faun Syllabification: (faun)Pronunciation: /fôn/Definition of faun noun Roman Mythology one of a class of lustful rural gods, represented as a man with a goat’s horns, ears, legs, and tail. Origin: late Middle English: from the name of the pastoral god FaunusDo not confuse faun and fawn. See fawn.faun in other Oxford dictionaries Definition of faun in the British & World English dictionary