THUNDER

[verb], [noun] [U] - (to make a noise like) the sudden loud noise which comes after a flash of lightning esp. during a storma clap/crash/rumble of thunderWe had thunder and lightning last night.There's thunder in the air, I wouldn't be surprised if we had a storm.(figurative) I couldn't hear what he said over the thunder (= loud noise) of the waterfall/guns/passing train.The sky grew dark and it started to thunder. [I]The train/horses thundered along/by/past (= moved making a lot of noise), shaking the house. [I]"I never want to see you here again," he thundered (= shouted loudly and angrily) at the boy. [+ speech]