Cornwall Look up Cornwall at Dictionary.com
Old English Cornwalas (891), Cornubia (c.705), "the Corn Welsh," from original Celtic tribal name, *Cornowii, Latinized as Cornovii, literally "peninsula people, the people of the horn" (from Celtic kernou "horn," hence "headland"), in reference to the long "horn" of land on which they live, to which the Anglo-Saxons added the plural of Old English walh "stranger, foreigner," especially if Celtic (see Welsh).