#shelf  a support that consists of a horizontal surface for holding objects
  supertype:  #support.device  any device that bears the weight of another thing; "there was no place to attach supports for a shelf"
  subtype:  #bookshelf  #hob  #mantel  #overmantel
  part of:  #bookcase  a piece of furniture with shelves for storing books
  part of:  #buffet.article_of_furniture__counter__sideboard  a piece of furniture that stands at the side of a dining room; has shelves and drawers
  part of:  #cabinet  a cupboard-like repository or piece of furniture with doors and shelves and drawers; for storage or display
  part of:  #chest_of_drawers__chest__bureau__dresser  furniture with drawers for keeping clothes
  part of:  #closet  a small private room for study or prayer
  part of:  #etagere  a piece of furniture with open shelves for displaying small ornaments
  part of:  #grocery_store__grocerystore__grocery__food_market__market  a marketplace where groceries are sold; "the grocery store included a meat market"

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