[From the sound.] An instrument of noise used by negroes in the West Indies.
1870. Kingsley, in Gd. Words, 1 May, 317/2. The Indian shot … which the Negro grows … because its hard seed put into a bladder furnishes him with that detestable musical instrument the chac-chac, wherewith he accompanies nightly that equally detestable instrument the tom-tom.
