muffler

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
noun a scarf worn around the neck
noun a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations

From muffle + -er.

And don’t forget your muffler. — The Man in the Brown Suit, Agatha Christie
"Will Fern," said Trotty, pulling on his right-hand muffler. — A Budget of Christmas Tales by Charles Dickens and Others, Unknown
Trunks had to be carried down and mufflers looked for. — The Picture of Dorian Gray, Oscar Wilde

silencer

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