plural of swell organ

(music) barrel organ

plural of roller 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 string organ

plural of organ-point

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

choir organ