n.

1. 王国[C]
2. 【古】君主身份；王权[U]
3. 【宗】（常大写）天国[C]
4. 领域[C]
   the kingdom of thought

   思想领域

5. （动、植、矿物）界[C]
   the animal, vegetable and mineral kingdoms

   动、植、矿物界

n.

1. a country, state, or territory ruled by a king or queen.
   ▸a realm associated with a particular person or thing:

   the kingdom of dreams.
2. the spiritual reign or authority of God.
   ▸heaven as the abode of God and of the faithful after death.
3. each of the three divisions (animal, vegetable, and mineral) in which natural objects have conventionally been classified.
   ▸Biology  the highest category in taxonomic classification.