noun

• (Greek mythology) A sylvan deity or demigod, male companion of Pan or Dionysus, represented as part man and part goat, and characterized by riotous merriment and lasciviousness, sometimes pictured with a perpetual erection.
• (Roman mythology) Synonym of faun
• (by extension) A lecherous man.
• Any of various butterflies of the nymphalid subfamily Satyrinae, having brown wings marked with eyelike spots; a meadow brown.
• (obsolete) The orangutan.