Fawn's mother (3)
'fawn's mother' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for doe that I've seen before include "Feminine counterpart of stag" , "She's a deer" , "A female deet" , "possible mate for Rudolph?" , "Rabbit, perhaps" .)
(Other definitions for deer that I've seen before include "Grazing animal(s)" , "Like a power switch" , "Antlered animal" , "Sledge animals for Father Christmas" , "does for example" .)