realm

[ relm ]
/ rɛlm /

noun

a royal domain; kingdom: the realm of England.
the region, sphere, or domain within which anything occurs, prevails, or dominates: the realm of dreams.
the special province or field of something or someone: the realm of physics; facts within the realm of political scientists.

Origin of realm

1250–1300; Middle English realme, reaume < Old French reialme, derivative of reial < Latin rēgālis regal1

Related forms

un·der·realm, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for realm

British Dictionary definitions for realm

realm

/ (rɛlm) /

noun

a royal domain; kingdom (now chiefly in such phrases as Peer of the Realm)
a field of interest, study, etcthe realm of the occult

Word Origin for realm

C13: from Old French reialme, from Latin regimen rule, influenced by Old French reial royal, from Latin rēgālis regal 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012