noun Date: 1587 the country from which the people of a colony or former colony derive their origin, the country of one's parents or ancestors, a country that is the origin of something
MOTHER COUNTRY
Meaning of MOTHER COUNTRY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012