#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"
  supertype:  article_of_furniture__furniture__piece_of_furniture  furnishings that make a room or other area ready for occupancy; "they had too much furniture for the small apartment"; "there was only one piece of furniture in the room"
  subtype:  built_in_bed  built-in_bed  bunk  bunk_bed  camp_bed  couch  deathbed.bed  double_bed  four-poster  hammock  marriage_bed  Murphy_bed  plank-bed  platform_bed  sickbed  single_bed  sleigh_bed  trundle_bed  twin_bed  water_bed
  part:  bedstead__bedframe  the framework of a bed
     part:  bedpost  any of 4 vertical supports at the corners of a bedstead
     part:  bedspring  (usually plural) one of the springs holding up the mattress of a bed
     part:  footboard  a vertical board or panel forming the foot of a bedstead
     part:  headboard  a vertical board or panel forming the head of a bedstead
  part:  mattress  a large thick pad filled with resilient material and often incorporating coiled springs, used as a bed or part of a bed

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