These pages comprise a dictionary of terms relating to the pipe organ. Please keep definitions to a few sentences, and do not include pictures or sound clips. When more space is needed for a term, a new page can be created for it. Pallet Pallet Box Pallet Spring Pedal [noun] - the division of the organ with the lowest-sounding ranks, and played by the organist's feet. The pedal division is usually designed around the 16' pitch level, and in large instruments around the 32' level. Pedalboard [noun] a set of keys that are played with the feet. Pedalwerk Pilcher Pipe [noun] - short for "organ pipe".