organ Meaning and Definition

1. n. (music) an electronic simulation of a pipe organ

2. n. a free-reed instrument in which air is forced through the reeds by bellows

3. n. 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

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

5. n. a periodical that is published by a special interest group

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