thunder; thunderclap; crash of thunder
Refers to the sound of thunder, often in descriptive or literary contexts. More formal than 雷 (かみなり), which can also mean lightning.
Thunder rumbled in the distance.
I jumped up, startled by a sudden crash of thunder.
Thunder rumbled in the distance.
Heavy rain began to fall along with a crash of thunder.
I heard a violent thunderclap in the middle of the night.