n. [ L. Calliope, Gr. Kallio`ph, lit, the beautiful-voiced; pref. kalli- (from kalo`s beautiful) + 'o`ps, 'opo`s, voice. ] 1. (Class. Myth.) The Muse that presides over eloquence and heroic poetry; mother of Orpheus, and chief of the nine Muses. [ 1913 Webster ] 2. (Astron.) One of the asteroids. See Solar. [ 1913 Webster ] 3. A musical instrument consisting of a series of steam whistles, toned to the notes of the scale, and played by keys arranged like those of an organ. It is sometimes attached to steamboat boilers. [ 1913 Webster ] 4. (Zool.) A beautiful species of humming bird (Stellula Calliope) of California and adjacent regions. [ 1913 Webster ] | 
