har·mo·ni·um /hɑrˈmoniəm/
小風琴,腳踏式風琴
Har·mo·ni·um 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.
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harmonium
n : a free-reed instrument in which air is forced through the
reeds by bellows [syn: organ, reed organ]