noun (n)

• a domain in which something is dominant(noun.state)

  Example:
  The untroubled kingdom of reason.
  

  Synonym:
  land, realm
  

  source: wordnet30
• a country with a king as head of state(noun.location)

  source: wordnet30
• the domain ruled by a king or queen(noun.location)

  Synonym:
  realm
  

  source: wordnet30
• a monarchy with a king or queen as head of state(noun.group)

  source: wordnet30
• the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia(noun.group)

  source: wordnet30
• a basic group of natural objects(noun.group)

  source: wordnet30
• The rank, quality, state, or attributes of a king; royal authority; sovereign power; rule; dominion; monarchy.(noun)

  source: webster1913