kingdom (noun)
1: a domain in which something is dominant; "the untroubled kingdom of reason"; "a land of make-believe"; "the rise of the realm of cotton in the south" [syn: land, realm]
2: a country with a king as head of state
3: the domain ruled by a king or queen [syn: realm]
4: a monarchy with a king or queen as head of state
5: one of seven biological categories: Monera or Protoctista or Plantae or Fungi or Animalia
6: a basic group of natural objects