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English definition of “organ”

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organ

noun [C]
 
 
/ˈɔːɡən/
BODY a part of an animal or plant that has a special purpose: reproductive/sexual organs The liver is a vital organ (= you need it to stay alive). an organ donor/transplant Substances and structures in the bodyParts of plants
MUSIC a large musical instrument that has keys like a piano and produces different notes when air is blown through pipes of different lengths: a church organKeyboard instruments
(Definition of organ from the Cambridge Learners Dictionary © Cambridge University Press)
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