Definition of pipe-rack:
(n) :
Meanings relating to a wind instrument.
(n) :
(music) A wind instrument consisting of a tube, often lined with holes to allow for adjustment in pitch, sounded by blowing into the tube.
(n) :
(music) A tube used to produce sound in an organ; an organ pipe.
(n) :
The key or sound of the voice.
(n) :
A high-pitched sound, especially of a bird.
(n) :
Meanings relating to a hollow conduit.