A prehistoric organism.

(music) A keyboard musical instrument of which the harmonium and the American organ are the principal types.

(anatomy) Synonym of organ of Chievitz

(anatomy) A juxtaoral organ composed of nests of benign squamoid epithelium closely associated with multiple nerve bundles.

(music) One of the departments of a cathedral organ, standing behind the great organ, having its tones less powerful, and more suited to accompanying the voice.

(music) A large harmonium used instead of a pipe organ.

plural of organ harmonium

plural of organ system

(biology) A group of organs that work together as a biological system to perform one or more functions.

(music) barrel organ