#tobacco_pipe__tobaccopipe__pipe  a tube with a small bowl at one end; used for smoking tobacco
  supertype:  tubing__tube  conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct liquids or gases
  subtype:  briar_pipe  calumet  clay_pipe  hookah  meerschaum
  part:  pipe_bowl__bowl  a small round container that is open at the top for holding tobacco
  part:  mouthpiece.tubing  the tube of a pipe or cigarette holder that a smoker holds in the mouth
  part:  stem  the tube of a tobacco pipe

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