Dictionary
realm
Pronunciation: (relm), [key]—
n.
1. a royal domain; kingdom:
the realm of England.
2. the region, sphere, or domain within which anything occurs, prevails, or dominates:
the realm of dreams.
3. the special province or field of something or someone:
the realm of physics; facts within the realm of political scientists. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.