Noun
the language that a person has spoken from earliest childhood
Source: WordNetWe dissect nature along lines laid down by our native language. Benjamin Lee Whorf
They're on their way to the foreign-language wing. That's no surprise. The foreign kids are always here, like they need to breathe air scented with their native language a couple times a day or they'll choke to death on too much American. Laurie Halse Anderson
A Swedish physicist can not discuss his work with fifty people unless he goes abroad. A Swedish economist can get opinions and instructions in his native language from thousands upon thousands of his fellow citizens. George Stigler
No instance exists of a person's writing two language perfectly. That will always appear to be his native language which was most familiar to him in his youth. Thomas Jefferson
I would really like to do theatre in my native language because that would be like so relaxed after ER ... English ... those medical words! Goran Visnjic
The language of imagination is the native language of man. It is the language of his excited intellect, of his aroused passions, of his devotion, of all the higher moods and temperaments of his mind. George Gilfillan