<p><strong>Adjective</strong></p><ul><li>native to a place (literary).</li><li>expressed or written in the native language of a place, as literary works: a vernacular poem.</li><li>using such a language: a vernacular speaker.</li><li>of or relating to such a language.</li><li>using plain, everyday, ordinary language.</li><li>of, relating to, or characteristic of architectural vernacular.</li><li>noting or pertaining to the common name for a plant or animal.</li><li>Obsolete. (of a disease) endemic.</li></ul><p><strong>Noun</strong></p><ul><li>the native speech or language of a place.</li><li>the language or vocabulary peculiar to a class or profession.</li><li>a vernacular word or expression.</li><li>the plain variety of language in everyday use by ordinary people.</li><li>the common name of an animal or plant as distinguished from its Latin scientific name.</li><li>a style of architecture exemplifying the commonest techniques, decorative features, and materials of a particular historical period, region, or group of people.</li><li>any medium or mode of expression that reflects popular taste or local styles.</li></ul>