castanets
/ˌkæstəˈnets/plural noun
- small concave pieces of wood, ivory, or plastic, joined in pairs by a cord and clicked together by the fingers as a rhythmic accompaniment to Spanish dancing响板（穿绳成对的木、象牙或塑料小凹面板, 用手指拍合作响以对西班牙舞蹈进行节拍伴奏）。
词源
early 17th cent.: from Spanish castañeta, diminutive of castaña, from Latin castanea 'chestnut'.