mother tongue

n. native language

The first language a human being learns to speak is his/her native language. He/She is a native speaker of this language according to Leonard Bloomfield A first language or native language is a basis for sociolinguistic identity.In linguistics first language can be referred to as arterial language, mother tongue, or L1.
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Mother tongue may refer to:A person's first languagethe hypothetical Proto-World language linguistic publications:The Mother Tongue (book), a history of the English language by Bill BrysonMother Tongue (journal), the yearly periodical of the Association for the Study of Languages in Prehistory music:Mother Tongue Records, an independent record labelMother Tongue (band), a rock band from Los Angeles featuring Jesse Tobias
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Noun
1. one's native language; the language learned by children and passed from one generation to the next
(synonym) maternal language, first language
(hypernym) natural language, tongue

adj.
زبان مادري, ديسي بھاکا, وطني زبان

n. ภาษาแม่, ภาษาที่พูดมาแต่กำเนิด