MEDIOLANUM, an ancient city, the capital of the Insubres, built by the Gauls on their settlement in that part of Italy; a municipium, and a place of great strength; and a seat of the liberal arts; whence it had the name of Nova Athenæ. Now Milan, capital of the Milanese, situated on the rivers Olona and Lombro. E. Long. 9. 30. N. Lat. 45. 25.