Open English Wordnet
Nouns
(n)kingdom, land, realma 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” (n)kingdoma country with a king as head of state (n)kingdoma monarchy with a king or queen as head of state (n)kingdomthe highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia (n)kingdoma basic group of natural objects