Deeanus

Lat. In civil, ecclesiastical, and old European law. An officer having supervision over ten; a dean. Decanus episcopi: a bishop's or rural dean, presiding over ten clerks or parishes. Decanus friborgi: dean of a friborg; an officer among the Saxons, who presided over a friborg, tithing, decennary, or association of ten inhabitants; otherwise called a tithing man, or borsholder. Decanus monasticus: a monastic dean, or dean of a monastery; an officer over ten monks.