What is the meaning of 韓国?

South Korea (a country in East Asia, comprising the southern part of the Korean Peninsula)

Korea (former empire in East Asia) (1897–1910)

Korea (a geographic region consisting of two countries in East Asia, commonly known as South Korea and North Korea; formerly a single country)

Korea (a peninsula in East Asia, containing the countries of North Korea and South Korea; in full, Korean Peninsula)

alternative form of 唐国 (Karakuni; Karakoku):

1. China (a cultural region and civilization in East Asia, occupying the region around the Yellow, Yangtze, and Pearl Rivers, taken as a whole under its various dynasties)
2. China (a large country in East Asia, occupying the region around the Yellow, Yangtze, and Pearl Rivers; the People's Republic of China, since 1949)

China (a cultural region and civilization in East Asia, occupying the region around the Yellow, Yangtze, and Pearl Rivers, taken as a whole under its various dynasties)

China (a large country in East Asia, occupying the region around the Yellow, Yangtze, and Pearl Rivers; the People's Republic of China, since 1949)

South Korea (a country in East Asia, comprising the southern part of the Korean Peninsula)

Korea (a geographic region consisting of two countries in East Asia, commonly known as South Korea and North Korea; formerly a single country)

Korea (a peninsula in East Asia, containing the countries of North Korea and South Korea; in full, Korean Peninsula)

Source: wiktionary.org