#bedpost  any of 4 vertical supports at the corners of a bedstead
  supertype:  #support.device  any device that bears the weight of another thing; "there was no place to attach supports for a shelf"
  part of:  #bedstead__bedframe  the framework of a bed
     part of:  #bed  a piece of furniture that provides a place to sleep; "he sat on the edge of the bed"; "the room had only a bed and chair"

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