ARBOR VITAE Meaning of ARBOR VITAE in English [ ˌα:bə'vʌɪti: , 'vi:tʌɪ ]■ noun another term for thuja .OriginC16: from L., lit. 'tree of life', prob. with ref. to its medicinal use. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004