silencer

One that silences, especially a device attached to the muzzle of a firearm to muffle the sound of firing.

One who or that which silences.

Same as muffler .

A device, invented by H. P. Maxim, for silencing, or greatly reducing, the noise produced by the discharge of a rifle or other firearm.

The muffler of an internal-combustion engine.

Any of various devices to silence the humming noise of telegraph wires.

A device for silencing the report of a firearm shooting its projectiles singly, as a tubular attachment for the muzzle having circular plates that permit the passage of the projectile but impart a rotary motion to, and thus retard, the exploding gases.

An attachment to a gun or an exhaust pipe that reduces the sound it emits.

Something that silences another thing.

a tubular acoustic device inserted in the exhaust system that is designed to reduce noise