Definition of organ
- organ Noun A largest part of an organism, composed of tissues that perform similar functions.
- organ Noun A musical instrument that has multiple pipes which play when a key is pressed, or an electronic instrument designed to replicate such.
- organ Noun An official magazine, newsletter, or similar publication of an organization.
- organ Noun A species of cactus (Stenocereus thurberi)
- organ Noun The penis.