(n.) A musical instrument, resembling a small organ and especially designed for church music, in which the tones are produced by forcing air by means of a bellows so as to cause the vibration of free metallic reeds. It is now made with one or two keyboards, and has pedals and stops.
Thesaurus Entries
Hammond organ, baroque organ, calliope, calliophone, choralcelo, electric organ, electro-pneumatic organ, hydraulic organ, melodeon, melodica, orchestrelle, organ, organophone, pipe organ, reed organ, seraphine, steam organ, symphonion, tracker-action organ, tubular-pneumatic organ, vocalion
