[1] : The Collaborative International Dictionary of English v.0.48

kingdom \king"dom\, n. as. cyningd=om. see 2d king, and
   -dom.
   1. the rank, quality, state, or attributes of a king; royal
      authority; sovereign power; rule; dominion; monarchy.
      1913 webster

            thy kingdom is an everlasting kingdom. --ps. cxiv.
                                                  13.
      1913 webster

            when jehoram was risen up to the kingdom of his
            father, he strengthened himself.      --2 chron.
                                                  xxi. 4.
      1913 webster

   2. the territory or country subject to a king or queen; the
      dominion of a monarch; the sphere in which one is king or
      has control.
      1913 webster

            unto the kingdom of perpetual night.  --shak.
      1913 webster

            you're welcome,
            most learned reverend sir, into our kingdom. --shak.
      1913 webster

   3. an extensive scientific division distinguished by leading
      or ruling characteristics; a principal division; a
      department; as, the mineral kingdom. in modern biology,
      the division of life into five kingdoms is widely used for
      classification. "the animal and vegetable kingdoms."
                                                  --locke.
      1913 webster +pjc

   animal kingdom. see under animal.

   kingdom of god.
      a the universe.
      b that spiritual realm of which god is the acknowledged
          sovereign.
      c the authority or dominion of god.

   mineral kingdom. see under mineral.

   united kingdom. see under united.

   vegetable kingdom. see under vegetable.

   syn: realm; empire; dominion; monarchy; sovereignty; domain.
        1913 webster
see also:
king -dom animal kingdom animal kingdom of god mineral kingdom 
mineral united kingdom united vegetable kingdom vegetable 

[2] : WordNet (r) 2.0

kingdom of god
     n : the domain over which god is spiritually sovereign

[3] : Easton's 1897 Bible Dictionary

kingdom of god
   matt. 6:33; mark 1:14, 15; luke 4:43 = "kingdom of christ"
   matt. 13:41; 20:21 = "kingdom of christ and of god" eph. 5:5
   = "kingdom of david" mark 11:10 = "the kingdom" matt. 8:12;
   13:19 = "kingdom of heaven" matt. 3:2; 4:17; 13:41, all
   denote the same thing under different aspects, viz.: 1
   christ's mediatorial authority, or his rule on the earth; 2
   the blessings and advantages of all kinds that flow from this
   rule; 3 the subjects of this kingdom taken collectively, or
   the church.
   

God >> G Words
God, definition of term: God
god_pag1.html

God Speed >> G Words
God Speed, definition of term: God Speed
god+speed_pag1.html

Fungus Kingdom >> F Words
Fungus Kingdom, definition of term: Fungus Kingdom
fungus+kingdom_pag1.html

Animal Kingdom >> A Words
Animal Kingdom, definition of term: Animal Kingdom
animal+kingdom_pag1.html

God Of War >> G Words
God Of War, definition of term: God Of War
god+of+war_pag1.html

Act Of God >> A Words
Act Of God, definition of term: Act Of God
act+of+god_pag1.html