n. 簧风琴

[ noun ]
a free-reed instrument in which air is forced through the reeds by bellows
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Harmonium \Har*mo"ni*um\ (h[aum]r*m[=o]"n[i^]*[u^]m), n. [NL.
See {Harmony}. ]
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.