I. yüˈstāthēən noun
( -s )
Usage: capitalized
1.
[ Eustathi us of Sebaste died ab A.D.380 Semi-Arian bishop of Sebaste in Armenia + English -an, n. suffix]
: a follower of the Semi-Arian bishop Eustathius who established a monastic institute which was condemned by the Synod of Gangra in A.D.340
2.
[ Eustathi us of Antioch died ab A.D.360 bishop of Antioch in Syria + English -an, n. suffix]
: one of an orthodox party whose protest against the deposition by an Arian synod of Eustathius, bishop of Antioch, led to a schism that lasted till A.D.413
II. adjective
Usage: capitalized
Etymology: Eustathi us + English -an, adjective suffix
: of or relating to Eustathius or to a Eustathian