[1] : WordNet (r) 2.0

pipes
     n : a wind instrument; the player blows air into a bag and
         squeezes it out through pipes syn: bagpipe
see also:
bagpipe 

[2] : Moby Thesaurus II by Grady Ward, 1.0

29 moby thesaurus words for "pipes":
   od, bagpipe, bagpipes, boatswain, captain, chanter, chief engineer,
   chief mate, commander, cornemuse, deck officer, doodlesack, drone,
   master, mate, musette, naval officer, navigating officer,
   navigator, patron, quartermaster, sailing master, second mate,
   shipmaster, skipper, sordellina, the old man, union pipes,
   watch officer

Pipes >> P Words
Pipes, definition of term: Pipes
pipes_pag1.html