a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama

the nations of the North American continent collectively

a continent in the northern hemisphere bordered on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the south by the Caribbean Sea, and on the west by the North Pacific Ocean

a continent in the Northern Hemisphere; it is north of South America and is bordered by the Atlantic and Pacific Oceans.

The continent that contains Canada, the United States, Mexico, Greenland, Bermuda and the French islands of St-Pierre et Miquelon.