noun, plural chalumeaux /ˌʃælyəˈmoʊz; French ʃalüˈmoʊ/ [shal-yuh-mohz; French sha-ly-moh] Show IPA .
Music. the low register of the clarinet.
a 17th- or 18th-century woodwind instrument.
orig., flute made from a reed, stem of a reed; Old French chalemel
< Late Latin calamellus
narrow reed; see calamus