cape, one of the world's northernmost points of land, in the Peary Land region, at the northernmost extremity of Greenland, on the Arctic Ocean, 440 miles (710 km) from the North Pole. It was reached in 1900 by Robert E. Peary, the American Arctic explorer, and was named for Morris Ketchum Jesup, a merchant-banker who had financed several polar expeditions.