Meaning

noun a fully differentiated structural and functional unit in an animal that is specialized for some particular function

noun a government agency or instrument devoted to the performance of some specific function

noun (music) an electronic simulation of a pipe organ

originEtymology tree Proto-Indo-European *werǵ-der. Ancient Greek ὄργανον (órganon)bor. Latin organumder. Old French organebor. Middle English organe English organ From Middle English organe, from Old French organe and Old English organ, both from Latin organum, from Ancient Greek ὄργανον (órganon, “an instrument, implement, tool, also an organ of sense or apprehension, an organ of the body, also a…

Etymology from Wiktionary, CC BY-SA 3.0