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Noun: kingdom  king-dum
  1. A domain in which something is dominant
    "the untroubled kingdom of reason";
    - land, realm
     
  2. A country with a king as head of state
     
  3. The domain ruled by a king or queen
    - realm
     
  4. A monarchy with a king or queen as head of state
     
  5. The highest taxonomic group into which organisms are grouped; one of five biological categories: Monera, Protoctista, Plantae, Fungi or Animalia
     
  6. A basic group of natural objects

Derived forms: kingdoms

Type of: area, arena, country, demesne, domain, field, group, grouping, land, monarchy, orbit, sphere, state, taxon, taxonomic category, taxonomic group

Encyclopedia: Kingdom, Illinois