Mythological woodland deity (5)
I believe the answer is:
satyr
'mythological woodland deity' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for satyr that I've seen before include "Greek sylvan deity" , "oversexed fellow" , "Lustful woodland god -- stray (anag)" , "Goat-man attending Bacchus" , "Classical deity" .)