si‧lenc‧er /ˈsaɪlənsə $ -sər/ noun [countable]
[Word Family: noun: silence, silencer; verb: silence; adverb: silently; adjective: silent]

1. British English a piece of equipment that is connected to the exhaust of a vehicle to make its engine quieter Synonym : muffler American English

2. a thing that is put on the end of a gun so that it makes less noise when it is fired

[TahlilGaran] Dictionary of Contemporary English ▲