Tailless fawn seen in wood (5)
I believe the answer is:
grove
'wood' is the definition.
(grove is a kind of wood)
'tailless fawn' is the wordplay.
'tailless' means to remove the last letter.
'fawn' becomes 'grovel' ('grovel' can be a synonym of 'fawn').
'grovel' with its final letter removed is 'GROVE'.
'seen in' is the link.
(Other definitions for grove that I've seen before include "Small woodland" , "Small wooded area" , "Orchard" , "Small wood or avenue of trees" , "Dictionary-maker" .)