mother tongue

noun

1
: one's native language
2
: a language from which another language derives

Examples of mother tongue in a Sentence

although the anthropologist could speak the local language fairly well, she was always glad to find someone who shared her mother tongue
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In our Romansh language, which is my mother tongue, Igniv means bird's nest, which is perfect for sharing. Jennifer Leigh Parker, Forbes, 13 Dec. 2024 How could someone who’d left China in fifth grade have kept up her mother tongue so well? Shuang Xuetao, The New Yorker, 24 Nov. 2024 Help with that one comes from Emery and his coaching staff, who have been asked by Onana to address him in their mother tongue. Jacob Tanswell, The Athletic, 20 Aug. 2024 This suggested, startlingly, that birds could learn a literal mother tongue while still in ovo. Rivka Galchen, The New Yorker, 14 Oct. 2024 See all Example Sentences for mother tongue 

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of mother tongue was in the 14th century

Dictionary Entries Near mother tongue

Cite this Entry

“Mother tongue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mother%20tongue. Accessed 23 Dec. 2024.

Kids Definition

mother tongue

noun
1
: one's native language
2
: a language from which another language develops
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!