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)
2. (Science: zoology) Any one of many species of butterflies belonging to the family Nymphalidae. Their colours are commonly brown and gray, often with ocelli on the wings.
Synonym: meadow browns.
3. (Science: zoology) The orangoutang.
Origin: L. Satyrus, Gr., cf. F. Satyre.