What is the meaning of Squelch?

To halt, stop, eliminate, stamp out, or put down, often suddenly or by force.

To suppress the unwanted hiss or static between received transmissions by adjusting a threshold level for signal strength.

To make a sucking, splashing noise as when walking on muddy ground.

To walk or step through a substance such as mud.

A squelching sound.

The suppression of the unwanted hiss or static between received transmissions by adjusting the gain of the receiver.

A heavy blow or fall.

A kind of electronic beat or sound mainly used in acid house and related music genres.

Source: wiktionary.org