#bathtub__bathing_tub__bathingtub__bath__tub  a relatively large open container that you fill with water and use to wash the body
  supertype:  vessel  an object used as a container (especially for liquids)
  part of:  bathroom
  subtype:  footbath  a small bathtub for warming or washing or disinfecting the feet
  subtype:  hot_tub__hottub  a very large tub (large enough for more than one bather) filled with hot water
  subtype:  Jacuzzi  (trademark) a large whirlpool bathtub with underwater jets that massage the body
  subtype:  sitz_bath__hip_bath__hipbath  a bathtub in which your buttocks and hips are immersed as if you were sitting in a chair and you bathe in a sitting position

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