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 fully differentiated structural and functional unit in an animal that is specialized for some particular function
a periodical that is published by a special interest group; "the organ of the communist party"
a government agency or instrument devoted to the performance of some specific function; "The Census Bureau is an organ of the Commerce Department"
the act of distributing by allotting or apportioning; distribution according to a plan; "the apportionment of seats in the House of Representatives is based on the relative population of each state"
a statement acknowledging something or someone; "she must have seen him but she gave no sign of acknowledgment"; "the preface contained an acknowledgment of those who had helped her"