plural of organ system

(biology) A group of organs that work together as a biological system to perform one or more functions.

(music) barrel organ

An ornamental screen on which a secondary organ is sometimes placed in cathedrals.

plural of organ screen

(music) A reed organ having a graduated set of vibrators or free reeds connected by rods which cause the vibration of corresponding wires or strings stretched over a sounding board.

plural of organ-point

(music) A note sustained through a series of chords, although only in harmony with the first and last.

choir organ

(zoology) One of the three pairs of abdominal organs that produce electricity in the electric eel, the other two being the main organ and Sach's organ.