Dom·i·nant a.  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 Dominant 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.
  Syn: -- Governing; ruling; controlling; prevailing; predominant; ascendant.