It resounds with cry of pain and thunder (6)
I believe the answer is:
bellow
This might be a double definition.
'it resounds with cry of pain' is the first definition.
The definition suggests a singular noun which matches the answer.
'thunder' is the second definition.
(thesaurus)
'and' is the link.
Can you help me to learn more?
(Other definitions for bellow that I've seen before include "Roar loudly" , "author" , "Roar, shout" , "Shout; Saul --, novelist" , "Loud and deep roar" .)