Antiq. [L.; a. Gr. κρόταλον clapper, castanet, rattle.]
A sort of clapper or castanet used in ancient Greece and elsewhere in religious dances.
172751. Chambers, Cycl., s.v., The crotalum consisted of two little brass plates, or rods, which were shaken in the hand.
1822. T. Taylor, Apuleius, ix. 194. I was again led forth to the journey accompanied by crotala and cymbals.
1864. Engel, Mus. Anc. Nat., 225. Crotala, clappers, or castanets, were made use of by most ancient nations in religious performances.