Rom. Law. [L. agent-sb. from cognōscere: see COGNITION.] An attorney or procurator.
1880. Muirhead, trans. Instit. Gaius, IV. § 82. We may sue either in our own name or through an agent, such as a cognitor, procurator, tutor, or curator. A cognitor is made our substitute in a cause by certain formal words spoken in presence of the adversary.