What does "dominant" mean?

Dominant: Ruling; governing; prevailing; controlling; predominant; as, the dominant party, church, spirit, power. The member of a dominant race is, in his dealings with the subject race, seldom indeed fraudulent, . . . but imperious, insolent, and cruel. Macaulay. Dominant estate or tenement (Law), the estate to which a servitude or easement is due from another estate, the estate over which the servitude extends being called the servient estate or tenement. Bouvier. Wharton's Law Dict. -- Dominant owner (Law), one who owns lands on which there is an easement owned by another.