cone of silence

Noun

Meaning

(radio) A hypothetical device or instrument which prevents eavesdropping on a private conversation.

(communication) An order or directive which prohibits verbal communication about a particular subject.

Source: en.wiktionary.org

Examples

Thirteen years ago, before the Cone of Silence dropped on Google’s method of operation, we got a glimpse of the method behind their madness. Source: Internet

Close letter words and terms

cone of death cone of power cone of shame cone off Cone Peak bedstraw cone pepper