WordNet sense 1 (a hollow cylindrical shape):

tube

WordNet sense 2 (a small fipple flute that is played with the left hand while the right hand is free to beat a tabor):

tabor pipe

WordNet sense 3 (a tube with a small bowl at one end; used for smoking tobacco):

tobacco pipe

WordNet sense 4 (a long tube made of metal or plastic that is used to carry water or oil or gas etc.):

piping, pipage

WordNet sense 5 (the flues and stops on a pipe organ):

pipework, organ pipe

WordNet sense 6 (a wind instrument; the player blows air into a bag and squeezes it out through the instrument):

bagpipe

WordNet sense 7 (utter a shrill cry):

shriek, shrill, pipe up