Of or pertaining to St. Augustine, bishop of Hippo in Northern Africa (b. 354 -- d. 430), or to his doctrines.
source: Webster 1913
noun
a Roman Catholic friar or monk belonging to one of the Augustinian monastic orders
source: WordNet 3.0
One of a class of divines, who, following St. Augustine, maintain that grace by its nature is effectual absolutely and creatively, not relatively and conditionally.