An unlined or undyed waistcoat; a single garment; --
opposed to doublet.
1. Pertaining to an apostle, or to the apostles, their times, or their peculiar spirit; as, an apostolical mission; the apostolic age. 2. According to the doctrines of the apostles; delivered or taught by the apostles; as, apostolic faith or practice. 3. Of or pertaining to the pope or the papacy; papal. Apostolical ...