Is “Chalumeaux” a Scrabble word?
Yes
CHALUMEAUX
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Chalumeaux
noun
1.A woodwind instrument which was the predecessor of the clarinet.
2.The lowest range of the clarinet, reaching up to written B♭ (B flat) above middle C.