D defs.my
Entry 2 senses Webster, 1913

Realm

/(rĕlm)/ · IPA /ɹɛlm/
01 n. A royal jurisdiction or domain; a region which is under the dominion of a king; a kingdom.
  1. 1.
    A royal jurisdiction or domain; a region which is under the dominion of a king; a kingdom.
    “The absolute master of realms on which the sun perpetually shone.” Motley.
  2. 2.
    Hence, in general, province; region; country; domain; department; division; as, the realm of fancy.