1. A sylvan deity or demigod, represented as part man and part goat, and characterised by riotous merriment and lasciviousness. Rough Satyrs danced; and fauns, with cloven heel, From the glad sound would not be absent long. (milton)
3. (Science: zoology) The orangoutang.
Origin: L. Satyrus, Gr., cf. F. Satyre.