(Latin) the
utmost limit to which one can go or has gone; the furthest
point reached or capable of being reached. Literally it means "let there not be more
sailing beyond," alleged to have been inscribed on the Pillars of
Hercules (two headlands on either side of the
Strait of
Gibraltar).
—PTS-SP Approved Glossary, —3rd South African unpublished Appr GLS (19.3.92)