reed pipe

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An organ pipe with a reed that vibrates and produces a tone when air is forced through it.

from The Century Dictionary.

• noun In organ-building, a pipe whose tone is produced by the vibration of a reed or tongue: opposed to flue-pipe.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun organ pipe with a vibrating reed