Would echo in the forest (4)
I believe the answer is:
'the forest' is the definition.
(synonyms)
'would echo' is the wordplay.
I cannot quite understand how this works, but
'would' could be 'd' (I've seen this in other clues) and 'd' is found within the answer.
The remaining letters 'woo' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
'in' acts as a link.
Can you help me to learn more?
(Other definitions for wood that I've seen before include "Dense growth of trees" , "What you might need to play golf" , "Large group of trees" , "Small forest; golf club" , "Old conductor" .)