Definition of "kingdom" in 英语

noun

1. A realm having a king or queen as its actual or nominal sovereign.

2. A realm, region, or conceptual space where something is dominant.

   • the kingdom of thought
   • the kingdom of the dead

3. (taxonomy) A rank in the classification of organisms, below domain and above phylum; a taxon at that rank (e.g. the plant kingdom, the animal kingdom).