Keyboard vs. Harmonium: What's the Difference?

Keyboard and Harmonium Definitions
Keyboard
A panel of buttons used for typing and performing other functions on a computer or typewriter.
Harmonium
An organlike keyboard instrument that produces tones with free metal reeds actuated by air forced from a bellows.
Keyboard
A row of levers that are depressed with the fingers to produce or modulate the sound of an instrument, such as a piano or organ.
Harmonium
(music) A small keyboard instrument that consists of a series of reed pipes, which sound when one of the keys is pressed to open a valve that allows air to pass through.
Keyboard
Any of various instruments, played by means of a musical keyboard, often connected to a synthesizer or amplifier.
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Harmonium
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.
Keyboard
To set (copy) by means of a keyed typesetting machine
Keyboard a manuscript.
Harmonium
A free-reed instrument in which air is forced through the reeds by bellows
Keyboard
To enter (text or data) into a computer by means of a keyboard.
Keyboard
(Music) To play (a composition) on a piano or keyboard.
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Keyboard
A set of keys used to operate a typewriter, computer etc.
Keyboard
(music) A component of many instruments including the piano, organ, and harpsichord consisting of usually black and white keys that cause different tones to be produced when struck.
Keyboard
(music) A device with keys of a musical keyboard, used to control electronic sound-producing devices which may be built into or separate from the keyboard device.
Keyboard
(intransitive) To type on a computer keyboard.
Keyboarding is the part of this job I hate the most.
Keyboard
The whole arrangement, or one range, of the keys{3} of an organ, piano, typewriter, etc.; that part of a device containing the keys{3} used to operate it.
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Keyboard
Device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the like
Keyboard
Holder consisting of an arrangement of hooks on which keys or locks can be hung