Princeton's WordNet

1. pipe, tobacco pipe(noun)

   a tube with a small bowl at one end; used for smoking tobacco

   Synonyms:
   piping, pipe, pipework, tube, organ pipe, tobacco pipe, pipage

2. pipe, pipage, piping(noun)

   a long tube made of metal or plastic that is used to carry water or oil or gas etc.

   Synonyms:
   piping, pipe, pipework, tube, organ pipe, tobacco pipe, pipage

3. pipe, tube(noun)

   a hollow cylindrical shape

   Synonyms:
   underground, pipework, subway, organ pipe, tube-shaped structure, thermionic valve, tube, pipe, thermionic vacuum tube, piping, subway system, thermionic tube, vacuum tube, tubing, metro, tobacco pipe, pipage, electron tube

4. pipe(noun)

   a tubular wind instrument

   Synonyms:
   piping, pipework, tube, organ pipe, tobacco pipe, pipage

5. organ pipe, pipe, pipework(verb)

   the flues and stops on a pipe organ

   Synonyms:
   piping, pipe, tube, pipage, organ pipe, tobacco pipe, pipework

6. shriek, shrill, pipe up, pipe(verb)

   utter a shrill cry

   Synonyms:
   shriek, pipe, shrill, pipe up

7. pipe(verb)

   transport by pipeline

   Synonyms:
   shriek, shrill, pipe up

8. pipe(verb)

   play on a pipe

   Synonyms:
   shriek, shrill, pipe up

9. pipe(verb)

   trim with piping

   Synonyms:
   shriek, shrill, pipe up