BORZOI Meaning of BORZOI in English [ 'bɔ:zɔɪ ]■ noun ( plural ~s ) a large Russian wolfhound of a breed with a narrow head and silky coat.OriginC19: from Russ. borzoĭ (adjective), borzaya (n.), from borzyĭ 'swift'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004