0 a bell that is hung from a cow's neck so that the cow can be found, or a metal musical instrument in the shape of such a bell that is hit with a stick
I heard a drowsy cowbell somewhere over the hills in the pasture.
I heard the occasional sleepy tinkle of a cowbell, and the crickets were calling.
The air smelled like early winter, and was vibrant with the melody of cowbells.
The pianist also plays three woodblocks, the celesta is supplemented with three antique cymbals, and the vibraphonist has three alpine cowbells coupled with three glockenspiel bars.
Incorporation of unusual instruments (for rock drummers of the time) such as cowbells, glockenspiel, and tubular bells, along with several standard kit elements, helped create a highly varied setup.
The name cowbell usually refers to a single bell.