reed organ

noun
  1. a musical keyboard instrument, as the harmonium or American organ, having small metal reeds through which air is forced to produce the sound.

Origin of reed organ

An Americanism dating back to 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for reed organ

reed organ

noun
  1. a wind instrument, such as the harmonium, accordion, or harmonica, in which the sound is produced by reeds, each reed producing one note only
  2. a type of pipe organ, such as the regal, in which all the pipes are fitted with reeds
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