chalumeau /shal-ū-mōˈ or shal-ü-mōˈ/

1. An early rustic reed instrument that developed into the clarinet
2. Now applied to the lowest register of the clarinet

• orthoborates
• orthocaine
• orthocaines
• orthocentre
• orthocentres
• Orthoceras
• orthochromatic
• orthoclase
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• ortho-compound
• ortho-compounds
• ortho-cousin
• ortho-cousins
• orthodiagonal
• orthodiagonals
• orthodontia
• orthodontias
• orthodontic
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• orthodontics
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• Orthodox Church
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