AFFIANCE Meaning of AFFIANCE in English [ ə'fʌɪəns ]■ verb ( be ~d ) literary be engaged to marry.OriginC15: from OFr. afiancer , from afier 'promise, entrust', from med. L. affidare 'declare on oath'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004