#leaf  hinged or detachable flat section (as of a table or door)
  supertype:  #object_section__section__segment  one of several parts or pieces that fit with others to constitute a whole object: "a section of a fishing rod"; "metal sections were used below ground"; "finished the final segment of the road"
  subtype:  #drop-leaf  a hinged leaf on a table that can be raised and supported by a bracket
  part of:  #dinner_table  the dining table where dinner is served and eaten

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