- a musical instrument consisting of one or more sets of pipes sounded by means of compressed air, played by means of one or more keyboards, and capable of producing a wide range of musical effects.
- any of various similar instruments, as a reed organ or an electronic organ.
- a barrel organ or hand organ.
- a grouping of tissues into a distinct structure, as a heart or kidney in animals or a leaf or stamen in plants, that performs a specialized task.
- penis
- a newspaper, magazine, or other means of communicating information, thoughts, or opinions, especially in behalf of some organization, political group, or the like.
- an instrument or means, as of action or performance: This committee will be the chief organ of administration.
- any of various musical instruments, especially wind, instruments.
- a large complex musical keyboard instrument in which sound is produced by means of a number of pipes arranged in sets or stops, supplied with air from a bellows. The largest instruments possess three or more manuals and one pedal keyboard and have the greatest range of any instrument
- (as modifier)
- any instrument, such as a harmonium, in which sound is produced in this way
- short for electric organ (def. 1a), electronic organ
- a fully differentiated structural and functional unit, such as a kidney or a root, in an animal or plant
- an agency or medium of communication, esp a periodical issued by a specialist group or party
- an instrument with which something is done or accomplished
- a euphemistic word for penis
