- organ - a fully differentiated structural and functional unit in an animal that is specialized for some particular function
--1 is a kind of body part
--1 has part: lobe
--1 has particulars:- organ - a government agency or instrument devoted to the performance of some specific function; "The Census Bureau is an organ of the Commerce Department"
--2 is a kind of agency, federal agency, government agency, bureau, office, authority
- electric organ, electronic organ, Hammond organ, organ - (music) an electronic simulation of a pipe organ
--3 is a kind of electronic instrument
- organ - a periodical that is published by a special interest group; "the organ of the communist party"
--4 is a kind of periodical
--4 has particulars: house organ- organ, pipe organ - wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard
--5 is a kind of wind instrument, wind
--5 has parts:keyboard; organ pipe, pipe, pipework; pedal, treadle, foot pedal, foot lever; piano keyboard, fingerboard, clavier; stop - harmonium, organ, reed organ - a free-reed instrument in which air is forced through the reeds by bellows
--6 is a kind of free-reed instrument
- organ - a government agency or instrument devoted to the performance of some specific function; "The Census Bureau is an organ of the Commerce Department"