#1
vernacular n. [
slang, cant, jargon, lingo, argot, patois] a characteristic language of a particular group (as among thieves); "they don't speak our lingo"
. wn #2
vernacular s. [
common, vulgar] being or characteristic of or appropriate to everyday language; "common parlance"; "a vernacular term"; "vernacular speakers"; "the vulgar tongue of the masses"; "the technical and vulgar names for an animal species"
. wn #3
vernacular n. the everyday speech of the people (as distinguished from literary language)
. wn