Organ word meaning and definition

[noun] (music) an electronic simulation of a pipe organ
[noun] a free-reed instrument in which air is forced through the reeds by bellows
[noun] 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
[noun] a fully differentiated structural and functional unit in an animal that is specialized for some particular function
[noun] a periodical that is published by a special interest group; "the organ of the communist party"
[noun] a government agency or instrument devoted to the performance of some specific function; "The Census Bureau is an organ of the Commerce Department"

\Or"gan\, n. [L. organum, Gr. ?; akin to ? work, and E. work: cf. F. organe. See {Work}, and cf. {Orgue}, {Orgy}.] 1. An instrument or medium by which some important action is performed, or an important end accomplished; as, legislatures, courts, armies, taxgatherers, etc., are organs of government. 2. (Biol.) A natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the life or well-being of the whole; as, the heart, lungs, etc., are organs of animals; the root, stem, foliage, etc., are organs of plants. Note: In animals the organs are generally made up of several tissues, one of which usually predominates, and determines the principal function of the organ. Groups of organs constitute a system. See {System}. 3. A component part performing an essential office in the working of any complex machine; as, the cylinder, valves, crank, etc., are organs of the steam engine. 4. A medium of communication between one person or body and another; as, the secretary of state is the organ of communication between the government and a foreign power; a newspaper is the organ of its editor, or of a party, sect, etc. 5. [Cf. AS. organ, fr. L. organum.] (Mus.) A wind instrument containing numerous pipes of various dimensions and kinds, which are filled with wind from a bellows, and played upon by means of keys similar to those of a piano, and sometimes by foot keys or pedals; -- formerly used in the plural, each pipe being considired an organ. The deep, majestic, solemn organs blow. --Pope. Note: Chaucer used the form orgon as a plural. The merry orgon . . . that in the church goon [go]. {Barrel organ}, {Choir organ}, {Great organ}, etc. See under {Barrel}, {Choir}, etc. {Cabinet organ} (Mus.), an organ of small size, as for a chapel or for domestic use; a reed organ. {Organ bird} (Zo["o]l.), a Tasmanian crow shrike ({Gymnorhina organicum}). It utters discordant notes like those of a hand organ out of tune. {Organ fish} (Zo["o]l.), the drumfish. {Organ gun}. (Mil.) Same as {Orgue}
(b) . {Organ harmonium} (Mus.), an harmonium of large capacity and power. {Organ of Gorti} (Anat.), a complicated structure in the cochlea of the ear, including the auditory hair cells, the rods or fibers of Corti, the membrane of Corti, etc. See Note under {Ear}. {Organ pipe}. See {Pipe}, n., 1. {Organ-pipe coral}. (Zo["o]l.) See {Tubipora}. {Organ point} (Mus.), a passage in which the tonic or dominant is sustained continuously by one part, while the other parts move.
\Or"gan\, v. t. To supply with an organ or organs; to fit with organs; to organize. [Obs.] Thou art elemented and organed for other apprehensions. --Bp. Mannyngham.

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