ENVIRON Meaning of ENVIRON in English [ ɪn'vʌɪrən , ɛn- ]■ verb formal surround; enclose.OriginME: from OFr. ~er , from ~ 'surroundings', from en 'in' + viron 'circuit'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004