(transitive, radio technology) to suppress the unwanted hiss or static between received transmissions by adjusting a threshold level for signal strength, below which the signal is suppressed by applying a gain of zero, and above which a positive (and linear from zero) gain is applied.
(intransitive, Britain) to make a sucking, splashing noise as when walking on muddy ground
(intransitive, Britain) to walk or step through a substance such as mud
