squelch

verb

• make a soft sucking sound such as that made by treading heavily through mud:bedraggled guests squelched across the lawns
• informal forcefully silence or suppress:property developers tried to squelch public protest

noun

• 1a soft sucking sound made when pressure is applied to liquid or mud:the squelch of their feet

• 2 (also squelch circuit) Electronics a circuit that suppresses the output of a radio receiver if the signal strength falls below a certain level.