- the language first learned by a person; native language.
- mother language.
Origin of mother tongue
Related Words for mother tonguevernacular
Examples from the Web for mother tongue
Historical Examples of mother tongue
It was too late; in the brisk idiom of his mother-tongue, he was "caught with the goods on."The Black Bag
Louis Joseph Vance
It was to him a marvel that these people's mother-tongue was Slav.The Birth of Yugoslavia, Volume 1
The best native servants are those who can only speak their mother-tongue.The Philippine Islands
The truth is that everyone is entered according to his mother-tongue.The Birth of Yugoslavia, Volume 2
She could already speak French and Italian as fluently as her mother-tongue.History of the English People
John Richard Green
- the language first learned by a child
- a language from which another has evolved