pipe organ vs pipe

pipe organ and pipe both are nouns.

Word	Noun	Adjective	Verb	Adverb
pipe organ	Yes	No	No	No
pipe	Yes	No	Yes	No

pipe organ (noun)	pipe (noun)
wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard	a long tube made of metal or plastic that is used to carry water or oil or gas etc.
	a tube with a small bowl at one end; used for smoking tobacco
	the flues and stops on a pipe organ
	a tubular wind instrument
	a hollow cylindrical shape