1. (n.) The Muse that presides over eloquence and heroic poetry; mother of Orpheus, and chief of the nine Muses.
2. (n.) One of the asteroids. See Solar.
3. (n.) 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.
4. (n.) A beautiful species of humming bird (Stellula Calliope) of California and adjacent regions.
Thesaurus Entries
Hammond organ, Mark, baroque organ, bazooka, calliophone, choralcelo, electric organ, electro-pneumatic organ, harmonium, hedgehog, hydraulic organ, launch pad, launching pad, launching platform, launching tube, melodeon, melodica, mousetrap, orchestrelle, organ, organophone, pipe organ, projector, reed organ, seraphine, silo, steam organ, symphonion, tracker-action organ, tubular-pneumatic organ, vocalion
