mother country

The country in which a person (or group of people) was born; motherland; homeland.

Japanese Meaning

母国 / 生まれ故郷の国 / 祖国

After years abroad, she finally returned to her mother country to care for her aging parents.

長年の海外暮らしを経て、彼女は高齢の両親の世話をするためについに母国に帰った。

Sense（1）

The country in which a person (or group of people) was born; motherland; homeland.

mother countries

（ plural ）