noun A territory or state, as ruled by an absolute authority, especially by a king; a kingdom. .mw-parser-output .defdate{font-size:smaller} An otherworldly dimension or domain — magical, ethereal, or otherwise. The spiritual state of which God is the head; the Kingdom of Heaven.
noun An otherworldly dimension or domain — magical, ethereal, or otherwise.
noun The spiritual state of which God is the head; the Kingdom of Heaven.
noun A sphere of knowledge or of influence; a domain.
the realm of physics
noun A primary zoogeographical division of the earth's surface.
noun A taxonomic rank in the phylogeny of viruses, higher than kingdoms.
noun A region or zone forming part of a cosmological system.
noun A grouping of equally trusted computers managed together on a network.