muffler

noun

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

   noun.artifact

   Synonyms silencer

   Source: WordNet 3.0

2. a scarf worn around the neck

   noun.artifact

   Source: WordNet 3.0

3. a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations

   noun.artifact

   Synonyms damper

   Source: WordNet 3.0

4. Anything used in muffling; esp., a scarf for protecting the head and neck in cold weather; a tippet.

   noun

   Source: webster1913

5. Any of various devices to deaden the noise of escaping gases or vapors, as a tube filled with obstructions, through which the exhaust gases of an internal-combustion engine, as on an automobile, are passed (called also <i>silencer</i>).

   noun

   Source: webster1913