#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
  part:  #pipe_bowl  #mouthpiece.tubing  #stem
  subtype:  #briar_pipe__briarpipe__briar  a pipe made from the root (briarroot) of the tree heath
  subtype:  #calumet__peace_pipe__peacepipe__pipe_of_peace  a highly decorated ceremonial pipe of Amerindians; smoked on ceremonial occasions (especially as a token of peace)
  subtype:  #clay_pipe  a pipe made of clay
     subtype:  #dudeen  a clay pipe with a short stem
  subtype:  #hookah__hubble-bubble__kalian__narghile__water_pipe__waterpipe  a pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water
  subtype:  #meerschaum  a pipe having a bowl made of meerschaum

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