noun
1. : the language of one's mother : the language naturally acquired in infancy and childhood : one's first language
2. : a language from which another language originates
noun
1. : the language of one's mother : the language naturally acquired in infancy and childhood : one's first language
2. : a language from which another language originates
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012