Any of many knobs near the keyboard of an organ used to select different sounds or timbres. / The timbre so produced.

(anatomy) An effector organ found in some fish (especially electric eels and electric catfish), that can produce a voltage large enough to aid in predation. / (music) electronic organ.

(anatomy) An organ used in sexual reproduction or sexual stimulation.

An organized entity, whether corporate or charitable, that does not exist in any one, central location, but instead exists solely through the Internet

(music) A division of a pipe organ for accompanying a choir.

(music) A section of a pipe organ in which the pipes are enclosed in a swell box

(music) a small pipe organ of a type suitable for domestic use as opposed to in a church or concert hall

a division of a pipe organ placed at the end of the nave in a gallery

(music) a pipe organ dating from or built to the specifications of the Baroque period at the time of J.S. Bach

(botany) A part of a plant, such as a bulb, specifically modified for storage of energy (generally in the form of carbohydrates) or of water.