
1) Byzantine court title
Found on
https://www.crosswordclues.com/clue/silentiarius

Silentiarius, Hellenized to silentiarios (σιλεντιάριος) and Anglicized to silentiary, was the Latin title given to a class of courtiers in the Byzantine imperial court, responsible for order and silence (silentium) in the Great Palace of Constantinople. In the middle Byzantine period (8th–11th centuries), it was transformed into an h...
Found on
http://en.wikipedia.org/wiki/Silentiarius
No exact match found.