Chalumeau
DEFINITION
The lowest register playable by instruments in the clarinet family. The term chalumeau and clarinet were used interchangeably until the late 18th century.A 17th century, now obsolete, single reed instrument that preceeded the clarinet.a simple woodwind instrument with 6 to 8 holes. it was a forerunner of the clarinet. also refers to the lowest register of the clarinet