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English definition of “organ”

organ

noun [C] (INSTRUMENT)    /ˈɔː.ɡən/ US  /ˈɔːr-/
C2 a musical instrument with a keyboard in which sound is produced by air being forced through pipes of different sizes and lengths when you press the keys with your hands or feet, or in which sound is produced electronically: Electronic organs are much smaller and cheaper than pipe organs.Keyboard instruments
(Definition of organ noun (INSTRUMENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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