- organ
- organ [ôr′gən]n.[ME organe < OE organa & OFr organe, both < L organum, tool, implement (in LL(Ec), a church organ) < Gr organon, an implement, engine < ergon,WORK]1.a) a large wind instrument consisting of various sets of pipes which, as they are opened by corresponding keys on one or more keyboards, allow passage to a column of compressed air that causes sound by vibrationb) any of several musical instruments producing similar or somewhat similar sounds: cf. ELECTRONIC ORGAN, REED ORGAN, BARREL ORGANc) Archaic any musical instrument; esp., a wind instrument2. in animals and plants, a part composed of specialized tissues and adapted to the performance of a specific function or functions3. a means or instrument for the performance of some action [an organ of local government]4. a means of communicating ideas or opinions, as a periodical
English World dictionary. V. Neufeldt. 2014.