- silencer, muffler - a tubular acoustic device inserted in the exhaust system that is designed to reduce noise
--1 is a kind of acoustic device
--1 is a part of exhaust, exhaust systemDerived form: verb muffle2 - muffler - a scarf worn around the neck
--2 is a kind of scarf
- damper, muffler - a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
--3 is a kind of device
--3 has particulars:damper block, piano damper; dash-pot; shock absorber, shock, cushion Derived form: verb muffle2 - damper, muffler - a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations