Webster's Dictionary 
(1): ( n.) A defender.
(2): ( n.) A defender or an advocate in court; a guardian or protector.
(3): ( n.) The patron of a church; an officer having charge of the temporal affairs of a church.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature 
(1) the first bishop of Angers. Nothing is known of his birth or age. (2) A monk of the monastery Ligutge, which St. Martin founded on the river Calin, not far from Poitiers. He lived about the end of the: 7th century or the beginning of the 8th. He was a diligent student of the fathers, and by his scholarly habits acquired the title of "Grammarian." He made extracts and compiled a book entitled Scintillaruni, seu Sententiarum Catholicorum Patrum. The work is divided into eighty chapters, and treats of the principal Christian virtues. It has appeared, according to Possevin, in three editions: Antwerp, 1550; Venice, 1552; Cologne, 1554.