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

an electronic simulation of a pipe organ

a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows

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

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

“The Census Bureau is an organ of the Commerce Department”

a periodical that is published by a special interest group

“the organ of the communist party”