Mus.
1. Another name for the cornet à piston: see CORNET sb.1 1.
1837. Musical World, 29 Dec. VII. 254. The cornopean was first introduced into England about four years ago.
1843. Alb. Smith, Wassail-Bowl, II. 26. A harp, piano, and cornopean.
1892. Civil Serv. Supply Assoc. Price List, Cornopean, 2 tones, new model, water-key, in case 24/6.
2. An 8-ft. reed-stop on an organ.
1840. in Grove, Mus. Dict., II. 601. [Organ of] Town Hall, Birmingham [Stops] on Solo Manual 6. Cornopean.
1876. Hiles, Catech. Organ, x. (1878), 73. Cornopean, an 8 feet striking reed, on the Manual.