What is "tambours"

Usage examples of "tambours".

While the drummers beat their tambours and capered, a pig-faced Trolloc with tusks fought a man in a crown.

I could almost wish it might either cure or kill me, for I am weary of lying here like an ox dying of the murrain, when tambours are beating, horses stamping, and trumpets sounding without.

Half a dozen men, beating tambours and dancing, led the way for a string of huge puppets, each half again as tall as the men who worked them with long poles.