The everyday language or dialect spoken by ordinary people in a particular region.

A form of language that is specific to a certain group or profession.

किसी विशेष समूह या पेशे के लिए विशिष्ट भाषा का रूप।

English Usage: The legal documents were written in a vernacular language that only the lawyers understood.

Hindi Usage: कानूनी दस्तावेज़ एक ऐसी भाषा में लिखे गए थे जिसे केवल वकील ही समझते थे.