A person who keeps silent, especially from religious motives(noun)
An official at any of several courts who maintained silence(noun)
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Use "silentiary" in a sentence
"A similar supplication of Ælurus to Leo, sent by the silentiary Diomede, is mentioned by Anastasius Sin."
"Christian religion; his mother was the daughter of a senator; during his youth he had served ten years a silentiary of the Byzantine palace, and the arrears of an unpaid salary were a motive of attachment as well as of complaint."
"[8611] The king of the Lazi had been educated in the Christian religion; his mother was the daughter of a senator; during his youth he had served ten years a silentiary of the Byzantine palace, [87] and the arrears of an unpaid salary were a motive of attachment as well as of complaint."