MEDIUM

n. Me'dia-u'm. From medius, middle. Fr., milieu. Ger., Mitt elding. 1. That which occupies a middle place; the agency through the intervention of which an effect is produced, fa, 48.] 2. The material by which an object is surrounded, in which it is imbedded. M. ventris. See UMBILICUS. [s. 726]