1archaic:kingship 2: a politically organized community or major territorial unit having a monarchical form of government headed by a king or queen 3often capitalizeda: the eternal kingship of God b: the realm in which God's will is fulfilled 4 a: a realm or region in which something is dominant b: an area or sphere in which one holds a preeminent position 5 a: one of the three primary divisions into which natural objects are commonly classified — compare animal kingdom, mineral kingdom, plant kingdomb: a major category (as Plantae or Protista) in biological taxonomy that ranks above the phylum and below the domain