thunder
US /ˈθʌn.dɚ/
UK /ˈθʌn.dɚ/

1.
grzmot, piorun
a loud rumbling or crashing noise heard after a lightning flash due to the expansion of rapidly heated air
:
•
We heard a loud clap of thunder in the distance.
Usłyszeliśmy głośny grzmot pioruna w oddali.
•
The storm brought heavy rain and continuous thunder.
Burza przyniosła ulewny deszcz i ciągłe grzmoty.