[ shal-yuh-moh; French sha-ly-moh ]
/ ˌʃæl yəˈmoʊ; French ʃa lüˈmoʊ /

noun, plural chal·u·meaux [shal-yuh-mohz, French sha-ly-moh] /ˌʃæl yəˈmoʊz, French ʃa lüˈmoʊ/.

Music. the low register of the clarinet.
a 17th- or 18th-century woodwind instrument.

Origin of chalumeau

1705–15; < French: orig., flute made from a reed, stem of a reed; Old French chalemel < Late Latin calamellus narrow reed; see calamus, -elle Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for chalumeau