kingdom Meaning and Definition

1. n. a basic group of natural objects

2. n. the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia

3. n. a monarchy with a king or queen as head of state

4. n. the domain ruled by a king or queen

5. n. a country with a king as head of state

6. n. a domain in which something is dominant