LINEAL Meaning of LINEAL in English [ 'lɪnɪəl ]■ adjective1》 in a direct line of descent. 2》 linear.Derivatives~ly adverb OriginME: via OFr. from late L. ~is , from linea (see line 1 ). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004