alligator drum
type of drum once used in Neolithic China, made from clay and alligator hides, found over a broad area at the Neolithic sites from modern Shandong in the east to Qinghai in the west, dating to a period of 5500–2350 BCE; used in ritual ceremonies
en-US/ˈæləˌɡeɪdɚ dɹəm/
en-GB/ˈælɪɡeɪtə ˈdɹʌm/