Grey like a chook? (5)
I believe the answer is:
ashen
'grey' is the definition.
(I know that ashen is a type of grey)
'a chook?' is the wordplay.
'chook?' becomes 'shen' (I can't justify this - if you can you should give a lot more credence to this answer).
'a'+'shen'='ASHEN'
'like' is the link.
Can you help me to learn more?
(Other definitions for ashen that I've seen before include "Very pale, with shock or fear" , "Looking pale from illness" , "Anaemic looking" , "Drained of colour" , "Like bird" .)