A region of extreme southwest England on a peninsula bounded by the Atlantic Ocean and English Channel. Its tin and copper mines were known to ancient Greek traders.
A city of southeast Ontario, Canada, on the St. Lawrence River and the New York border southeast of Ottawa. It is a manufacturing center. Population: 46,000.
O.E. Cornwalas (891), Cornubia (c.705), from name of a Celtic tribe, Latinized as Cornovii, lit. "peninsula people" (from Celt. kernou "horn," hence "headland") + O.E. walh (see Welsh).