= althorn, n.; spec. (U.S.) a saxhorn pitched in E flat, commonly used in wind bands (called tenor horn in British English).

Any of various musical instruments of the saxhorn family, especially the alto or tenor saxhorn in E flat.

A brass wind instrument. Also flugel used elliptically

(See quot. 1883.)

a brass instrument of this class.

= althorn, n.

‘A name given to the bass instrument of the Saxhorn family, usually tuned in B♭ or C. It only differs from the barytone Saxhorn in the larger…

A barytone word.

Any of various brass instruments resembling the French horn, but with a short tube length making for easier technique and pistons instead of rotary…

A saxophone, or similar instrument; esp. an alto or tenor saxophone.

(see quots.).

A form of mellophone (mellophone, n.) with the bell projecting forwards.