chalumeau
/ˌʃæljʊˈməʊ/noun
(pl. chalumeaux. 读音同)
1- a reed instrument of the early 18th century from which the clarinet was developed沙吕莫管, 芦笛。
1.1
- （亦作chalumeau register）the lowest octave of the clarinet's range单簧管的最低音区。
词源
early 18th cent.: from French， from Latin calamellus 'little reed'， diminutive of calamus.