DOMAIN, noun [Latin] 1. Dominion; empire; territory governed, or under the government of a sovereign; as the vast domains of the Russian emperor; the domains of the British king. 2. Possession; estate; as a portion of the kings domains. 3. The land about the mansion house of a lord, and in his immediate occupancy. In this sense, the word coincides with demain, demesne.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI