si·lenc·er 
(sīlən-sər)
(sīlən-sər)n.
One that silences, especially a device attached to the muzzle of a firearm to muffle the sound of firing.
- double reverse
- double rhyme
- double salt
- double sharp
- double-space
- doublespeak
- double standard
- double star
- double-stop
- doublet
- double-take
- double take
- double talk
- double-team
- double team
- doublethink
- double time
- double-time
- doubleton
- double-tongue
- doubletree
- double-u
- double up
- double vision
- doublewide