An organization that coordinates the activities of a number of member organisations to promote a common goal.

plural of house organ

(law) A law or system of laws which forms the foundation of a government, corporation or other organization's body of rules. A constitution is a particular form of organic law for a sovereign state.

plural of organ of state

Any of the three primary divisions of a state’s sovereignty (namely, the executive, the legislature, or the judiciary); the powers of each having been divided and balanced in accordance with the political principle of the separation of powers.

plural of organic law

(anatomy) An organ, such as the heart or colon, that is entirely within the confines of the body.

plural of barrel organ

A person (living or dead) from whom an organ is removed in order to be transplanted into another person. / (chiefly US, slang) A motorcyclist, especially one who does not wear a protective helmet.

plural of vital organ