a town of Poland, in Regal Prussia, and in the palatinate of Culm. It was formerly a Hanseatic town, but is now subject to Prussia; it is large and well fortified. Copernicus, the celebrated discoverer of the true system of the universe, was born here in 1472. It is seated on the Vistula, and contains 10,000 inhabitants. E. Long. 18° 30'. N. Lat. 52° 55'.