It offers cold comfort, perhaps (7)
I believe the answer is:
earplug
'it offers cold comfort perhaps' is the definition.
The definition suggests a singular noun which matches the answer.
This is all the clue.
Can you help me to learn more?
(Other definitions for earplug that I've seen before include "Block" , "silencer" , "It's used to prevent entry of noise or water" , "Noise protector" , "It stops racket" .)