Definition from Wiktionary, the free dictionary
tom-tom (plural tom-toms)
- (onomatopoeia) A small joined pair of drums, beaten with the hands.
1926, H. P. Lovecraft, The Call of Cthulhu:
- It was voodoo, apparently, but voodoo of a more terrible sort than they had ever known; and some of their women and children had disappeared since the malevolent tom-tom had begun its incessant beating far within the black haunted woods where no dweller ventured.
- (usually as a pair) Any cylindrical drum, with no snare; part of a drum kit.