organ

An instrument consisting of a number of pipes that sound tones when supplied with air and a keyboard that operates a mechanism controlling the flow of air to the pipes.

Any one of various other instruments, such as the electronic organ, that resemble a pipe organ either in mechanism or sound.

A differentiated part of an organism, such as an eye, wing, or leaf, that performs a specific function.

An instrument or agency dedicated to the performance of specified functions.

An instrument or means of communication, especially a periodical issued by a political party, business firm, or other group.

To furnish with organs; organize.

Same as origan.

An instrument or means; that which performs some office, duty, or function; that by which some action is performed or end accomplished.

A medium, instrument, or means of communication between one person or body of persons and another; a medium of conveying certain opinions: as, a secretary of state is the organ of communication between the government and a foreign power; an official gazette is the organ of a government; hence, specifically, a newspaper which serves as the mouthpiece of a particular party, faction, cause, denomination, or person: as, a Republican organ; a party organ.