Definition of mother tongue in English:

mother tongue

Syllabification: moth·er tongue

noun

The language that a person has grown up speaking from early childhood.
More example sentences
  • As a rule, interpreters are supposed to translate between their mother tongue and another language.
  • Many immigrants not only learn English in addition to their mother tongue, but also speak other languages.
  • Krio is spoken as a mother tongue by some 250,000 people in and around Freetown and by many more Sierra Leoneans as a second language.

Definition of mother tongue in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day vituperate
Pronunciation: vəˈt(y)o͞opəˌrāt
verb
blame or insult (someone) in strong language...