Meaning of organ

Definition of organ

a government agency or instrument devoted to the performance of some specific function; "The Census Bureau is an organ of the Commerce Department"
(music) an electronic simulation of a pipe organ
a periodical that is published by a special interest group; "the organ of the communist party"
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
a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows

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