1. Pertaining or relating to the apostles, as the apostolic age.
2. According to the doctrines of the apostles; delivered or taught by the apostles; as apostolic faith or practice.
Apostolic constitutions, a collection of regulations attributed to the apostles, but generally supposed to be spurious. They appeared in the 4th century; are divided into eight books, and consist of rules and precepts relating to the duties of christians, and particularly, the ceremonies and discipline of the church.
Apostolic Fathers, an appellation given to the christian writers of the first century.