What is "drumrolls"

Usage examples of "drumrolls".

The rumble of his slumbering breath now purred with a majesty almost musical, like the trumpets and drumrolls of a mighty army mustering.

Groghe's face relaxed into a pleased expression as the drumrolls ended.

Ghostly drumrolls, relics of the monstrous explosion, still flailed and echoed among the ashy hills.