Mus. [irreg. f. prec.] (See quot.)

1

1854.  J. W. Moore, Encycl. Music, s.v., This instrument was invented by Peter L. and George Grosh, of Petersburg, Pennsylvania. They claim that it … combines in its tones those of the organ, clarinet, horn, bassoon, and violin.

2

1864.  Hence in Webster.

3