Definiciones
1.NounA separate language for expressing ideas, as opposed to the vernacular (mother tongue) which is employed for everyday speech.
2.NounThe form of language acquired through education and reading, as opposed to the dialect one grows up speaking; educated or formal language.
3.NounA second language that one speaks fluently.
4.NounThe language spoken by one's father, when it differs from that spoken by one's mother.