(idiomatic) A noteworthy silence, or absence of response, especially one signifying disapproval or lack of enthusiasm.

A status maintained where all fixed or mobile radio stations in an area stop transmitting (sometimes limited to certain frequency bands). / The period of time during which this status exists.

plural of wall of silence

plural of moment of silence

Peace and quiet have great value. / Often the best choice is to say nothing.

(historical) Any of the NKVD special camps in Germany 1945–49.

plural of silence camp

plural of code of silence

plural of conspiracy of silence

plural of intake silencer