Yes, organ is a Scrabble word!

Noun

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

2. A government agency or instrument devoted to the performance of some specific function

3. (music) an electronic simulation of a pipe organ

4. A periodical that is published by a special interest group

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

6. A free-reed instrument in which air is forced through the reeds by bellows