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English definition of “first language”

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first language

noun [C] /ˈfɜrst ˈlæŋ·ɡwɪdʒ/
the language you learn from your parents as you are growing up
Translations of “first language”
in Korean 모국어…
in Arabic اللُغة الأولى…
in Portuguese língua materna…
in Catalan llengua materna…
in Japanese 母語…
in Italian madrelingua…
in Chinese (Traditional) 母語, 第一語言…
in Russian родной язык…
in Turkish ana dil…
in Chinese (Simplified) 母语, 第一语言…
in Polish język ojczysty…
(Definition of first language from the Cambridge Academic Content Dictionary © Cambridge University Press)
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