Sound of chains, cold and drooping (5)
I believe the answer is:
clank
'sound of chains' is the definition.
(I've seen this in another clue)
'cold and drooping' is the wordplay.
'cold' becomes 'c' (abbreviation, eg on taps).
'and' means one lot of letters go next to another.
'drooping' becomes 'lank' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'c'+'lank'='CLANK'
Can you help me to learn more?
(Other definitions for clank that I've seen before include "Harsh metallic sound" , "Loud metallic noise" .)