A body part with a specific function, like your heart or liver; also a large keyboard instrument that makes music with air.
From Greek 'organon' meaning 'tool' or 'instrument.' Both meanings derive from this—body organs are nature's tools, and the musical organ is an instrument.
The word organ literally means 'tool' in Greek—and that's perfect because both your heart and a pipe organ are specialized tools that do their specific jobs really well!
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