Meaning of DOMAIN in English

n. 1 realm, dominion, territory, property, land(s), province, kingdom, empire At one time his domain included most of Europe 2 province, realm, territory, field, bailiwick, area, department, sphere, discipline, speciality, specialization, concern As a dentist, he considered diseases of the throat outside his domain

Oxford thesaurus English vocab.      Английский словарь Оксфорд тезаурус.