Hypertext Webster Gateway: "harmonium"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Harmonium \Har*mo"ni*um\, 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.
From WordNet (r) 1.7 (wn)
harmonium
n : a free-reed instrument in which air is forced through the
reeds by bellows [syn: {organ}, {reed organ}]
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