electric organ

WordReference Random House Unabridged Dictionary of American English © 2025

elec′tric or′gan, 

1. Fish (in certain fishes) an organ composed of electroplaques.

• 1865–70

Collins Concise English Dictionary © HarperCollins Publishers::

electric organ noun

1. a pipe organ operated by electrical means
2. another name for electronic organ
3. a small group of modified muscle cells on the body of certain fishes, such as the electric eel, that gives an electric shock to any animal touching them