Entry 1 sense Webster, 1913 Silentiary /(sī̇*lĕn"shĭ*ā̇*ry̆)/ · Si·len·ti·a·ry · IPA 01 n. One appointed to keep silence and order in court; also, one sworn not to divulge secrets of state. 1. One appointed to keep silence and order in court; also, one sworn not to divulge secrets of state.