Noun(1) the countries of (originally, now including(2) the hemisphere that includes North America and South America(3) the countries of (originally) Europe and (now including) North and South America(4) the hemisphere that includes North and South America
Noun(1) the countries of (originally, now including(2) the hemisphere that includes North America and South America(3) the countries of (originally) Europe and (now including) North and South America(4) the hemisphere that includes North and South America