organ

US /ˈɔːr.ɡən/
UK /ˈɔːr.ɡən/
"organ" picture
1.

a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans

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The heart is a vital organ.
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The liver is the largest internal organ.
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viscusbody part
2.

a large musical instrument with pipes of different sizes, which are supplied with air from a bellows and controlled by keyboards and pedals

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The majestic sound of the church organ filled the cathedral.
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She played a beautiful hymn on the organ.
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pipe organkeyboard instrument
3.

a newspaper, journal, or other medium used to publicize the views of a political group or other organization

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The party's official organ published a strong editorial.
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This magazine serves as the main organ for environmental activism.
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mediummouthpiecevoiceplatform
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organizationorganicorganizedorganizeorganizerorganismsense organ