rare. [f. BOURN sb.2] trans. To set a limit or bounds to; to bound; to check.
1808. J. Barlow, Columb., IV. 338. A second world
By oceans bournd.
1866. J. Rose, Virg. Ecl. & Georg., 106. Nor rocks, nor precipice, nor torrents force Shall bourn his headlong and resistless force.