america

noun america

• north america — the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 feet (6187 meters); lowest, Death Valley, 276 feet (84 meters) below sea level. About 9,360,000 sq. mi. (24,242,400 sq. km).
• south america — a continent in the S part of the Western Hemisphere. About 6,900,000 sq. mi. (17,871,000 sq. km).
• new world — Western Hemisphere (def 1).
• columbia — a river in NW North America, rising in the Rocky Mountains and flowing through British Columbia, then west to the Pacific. Length: about 1930 km (1200 miles)