—n.
1 the language or dialect of a particular country (Latin gave place to the vernacular).
2 the language of a particular clan or group.
3 homely speech.
—adj.
1 (of language) of one's native country; not of foreign origin or of learned formation.
2 (of architecture) concerned with ordinary rather than monumental buildings.
Derivatives:
vernacularism n. vernacularity n. vernacularize v.tr. (also -ise). vernacularly adv.
Etymology: L vernaculus domestic, native f. verna home-born slave
Useful english dictionary. 2012.