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 entry
- double-faced
- double fault
- double-fault
- double feature
- double fertilization
- double figure
- double flat
- double genitive
- double Gloucester
- double-handed
- doublehanded
- double-handedly
- double-header
- doubleheader
- double helix
- double-hung window
- double indemnity
- double jeopardy
- double-jointed
- double knit
- double-knit
- double negative
- doubleness
- double-park