bishop of Thessalonica, in the 12th century, under the reigns of the emperors Emmanuel, Alexander, and Andronicus Comnenus. He was a very eminent grammarian; and wrote commentaries upon Homer, and Dionysius the geographer. The best edition of his Commentaries on Homer is that of Rome, printed in Greek, in 1542, in four volumes folio. His Commentaries on the Periegesis of Dionysius were printed by Mr Hudson at Oxford, in 1697, 8vo. Eustathius appears to have been alive in the year 1194.