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

OTHER WORDS FROM realm

un·der·realm, noun

Example sentences 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, etc the 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