organ
noun
1. a fully differentiated structural and functional unit in an animal that is specialized for some particular function
Definition categories: body
2. a government agency or instrument devoted to the performance of some specific function
- The Census Bureau is an organ of the Commerce Department
Definition categories: group, agency, authority, bureau, office
3. (music) an electronic simulation of a pipe organ
Definition categories: man–made
4. a periodical that is published by a special interest group
- the organ of the communist party
Definition categories: communication, periodical
5. 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
Definition categories: man–made, wind
6. a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows
Similar word(s): harmonium
Definition categories: man–made, instrument
verb
1. (obsolete, transitive) To supply with an organ or organs; to fit with organs.