noun, masculine/ˈoɾɡano/plural: órganos
organ (a larger part of an organism); organ (a musical instrument made of multiple pipes); organ, bulletin (an official publication of an organization); body, authority, agency; means; medium (of communication, etc.)
Probably a borrowing or semi-learned term from Latin organum, from Ancient Greek ὄργανον (órganon). Compare the popular form found in place names like Boca de Huérgano.