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).
A realm, region, or conceptual space where something is dominant.
A realm having a king and/or queen as its actual or nominal sovereign.
A rank in the classification of organisms, below kingdom and above class; also called a divisio or a division, especially in describing plants; a taxon at that rank
A large division of possibly related languages, or a major language family which is not subordinate to another.