cone of silence
noun
a space, in the shape of an inverted cone, above a radio beacon, in which there is a sharp reduction in the intensity of transmitted signals.
Words nearby cone of silence
condé, cone, cone cell, cone granule, cone of light, cone of silence, cone off, cone penetration test, cone pepper, cone plant, cone pulley
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019