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We found 24 dictionaries with English definitions that include the word mother tongue: Click on the first link on a line below to go directly to a page where "mother tongue" is defined. General (22 matching dictionaries) mother tongue: American Heritage Dictionary of the English Language [home, info] mother tongue: Collins English Dictionary [home, info] mother tongue: Vocabulary.com [home, info] mother tongue: Macmillan Dictionary [home, info] mother tongue: Merriam-Webster's Online Dictionary, 11th Edition [home, info] mother-tongue, mother tongue: Wordnik [home, info] mother tongue: Cambridge Advanced Learner's Dictionary [home, info] mother tongue: Wiktionary [home, info] mother tongue: Compact Oxford English Dictionary [home, info] mother tongue: The Wordsmyth English Dictionary-Thesaurus [home, info] mother tongue: Infoplease Dictionary [home, info] mother tongue: Dictionary.com [home, info] mother tongue: UltraLingua English Dictionary [home, info] Mother Tongue (Journal), Mother Tongue, Mother-tongue, Mother tongue (disambiguation), The Mother_Tongue (book), The Mother Tongue: Wikipedia, the Free Encyclopedia [home, info] mother tongue: Rhymezone [home, info] mother tongue: Free Dictionary [home, info] mother tongue: Mnemonic Dictionary [home, info] mother tongue: WordNet 1.7 Vocabulary Helper [home, info] mother tongue: LookWAYup Translating Dictionary/Thesaurus [home, info] mother tongue: Dictionary/thesaurus [home, info] Miscellaneous (1 matching dictionary) Mother-tongue: Glossary of Translation and Interpreting Terminology [home, info] Slang (1 matching dictionary) The Mother Tongue: Urban Dictionary [home, info]

Quick definitions from WordNet (mother tongue) ▸ noun:  one's native language; the language learned by children and passed from one generation to the next