<p><strong>Adjective</strong></p><ul><li>Pathology:<ul><li>(of a malarial fever, etc.) characterized by paroxysms that recur every other day.</li></ul></li></ul><p><strong>Noun</strong></p><ul><li>Pathology:<ul><li>A tertian fever.</li><li>A Jesuit during the period of tertianship.</li></ul></li></ul>