organ
noun
[ ˈɔːɡ(ə)n ]
• a part of an organism which is typically self-contained and has a specific vital function.
• "the internal organs"
Similar:
part of the body,
body part,
biological structure,
• a large musical instrument having rows of pipes supplied with air from bellows (now usually electrically powered), and played using a keyboard or by an automatic mechanism. The pipes are generally arranged in ranks of a particular type, each controlled by a stop, and often into larger sets linked to separate keyboards.
• a department or organization that performs a specified function.
• "the organs of local government"
Origin:
late Old English, via Latin from Greek organon ‘tool, instrument, sense organ’, reinforced in Middle English by Old French organe .