córas1, m. (gs. & npl. -ais, gpl. ~). System. ~ airgid, craolacháin, draenála, iompair, oideachais, currency, broadcasting, drainage, transport, educational, system. ~ ulóg, pulley system. ~ lionsaí, combination of lenses. ~ na gréine, the solar system. ~ na matán, na néaróg, the muscular, the nervous, system. An ~ díleáite, imshruthaithe, limfeach, soithíoch, the digestive, circulatory, lymphatic, vascular, system. ~ iomprach (an ae, na nduán), (the hepatic, renal,) portal system. ~ slioslíneach, lateral line system.
córas2, m. (gs. & npl. -ais, gpl. ~).1. Chorus. 2. Hearing, encouragement. Tugaigí ~ dó, listen to him; let him speak. Níor thug aon duine ~ dó, nobody encouraged him to speak. Bhí sise ag tabhairt córais dó, she was urging him on.