Definitionen
1.NounSomething that silences or (notionally) nearly silences.
An attachment to a gun that reduces the sound it emits.
2.NounAn attachment to a gun that reduces the sound it emits.
3.NounThe muffler of an internal combustion engine.
4.NounAny of various devices to silence the humming noise of telegraph wires.
5.NounSomething that prevents or greatly reduces gene expression.