(1):
(a.) Pertaining to an apostle, or to the apostles, their times, or their peculiar spirit; as, an apostolical mission; the apostolic age.
(2):
(a.) According to the doctrines of the apostles; delivered or taught by the apostles; as, apostolic faith or practice.
(3):
(a.) Of or pertaining to the pope or the papacy; papal.
A timeless resource no serious scholar should be without. With more than 75,000 entries, if it is a word used in the Bible, you are sure to find it defined here.Wikipedia
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