#coffin__casket  box in which a corpse is buried or cremated
  supertype:  #box  a (usually rectangular) container; may have a lid; "he rummaged through a box of spare parts"
  subtype:  #bier.coffin  a coffin along with its stand; "we followed the bier to the graveyard"
  subtype:  #sarcophagus__sarcophagu  a stone coffin (usually bearing sculpture or inscriptions)

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