organor‧gan /ˈɔrgən/ ●●○ noun [countable] 
1
science, biology a part of the body of an animal or plant that has a particular purpose: 
an organ transplant2eng. lang. arts a large musical instrument like a piano, with large pipes to make the sound, or an electric instrument that makes similar sounds [Origin: 1200–1300 Old French organe, from Latin, from Greek organon “tool, instrument”]
1 science, biology a part of the body of an animal or plant that has a particular purpose: an organ transplant2eng. lang. arts a large musical instrument like a piano, with large pipes to make the sound, or an electric instrument that makes similar sounds [Origin: 1200–1300 Old French organe, from Latin, from Greek organon “tool, instrument”]
