What is another word for wide pipe?

pipenoun1 a water pipe tube, conduit, hose, main, duct, line, channel, pipeline,drain; tubing, piping, siphon.2 he smokes a pipe brier (pipe), meerschaum, chibouk; hookah, narghile,bong, churchwarden.3 she was playing a pipewhistle, pennywhistle, tin whistle, Flute,recorder, fife; chanter.4 regimental pipes and drums Bagpipes, uillean pipes; pan pipes.

according to the Oxford American Writer's Thesaurus