本国は英語で
motherland

英語の定義

本国
1. n. home country, homeland, mother country

motherland
1. 名詞. 母国。祖国。

motherland
1. n. The country of one's ancestors.
2. n. The country of one's birth.
3. n. Country of origin.
4. n. Mother country in contrast to its colonies.

home country
1. 母国, 本国

home country
1. n. The country in which a person was born and usually raised, regardless of the present country of residence and citizenship.