organ

Also called pipe organ.  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.

Biology. 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.

Synonyms:

channel, instrument, journal, publication

an instrument or means, as of action or performance.

This committee will be the chief organ of administration.

Archaic. any of various musical instruments, especially wind, instruments.

1. Also called: pipe organ.  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

2. ( as modifier )

   organ pipe

   organ stop

   organ loft

any instrument, such as a harmonium, in which sound is produced in this way See also reed organ harmonica

short for electric organ 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