I. ˈməflə(r) noun
( -s )
1.
a. : a covering (as a veil or scarf) worn as a protection or disguise
some awkwardness in her management of the muffler … a principal accomplishment of the coquettes of the time — Sir Walter Scott
b. obsolete : a bandage placed over the eyes
fortune is painted … with a muffler afore her eyes — Shakespeare
c. : a scarf worn around the neck
the outlandish sports coats and garish mufflers — Bennett Cerf
d. : something that hides or disguises
the mask and muffler of allegoric rhapsody — A.C.Swinburne
2. : a cushion for terminating or softening the tones made by a musical instrument (as the piano or drum)
3.
a. : any of various devices to deaden the noise of escaping gases or vapors ; specifically : a tube filled with baffles through which the exhaust gases of an internal-combustion engine are passed
b. : something that silences
nobody had ever put a muffler on him yet — S.H.Adams
II. adjective
: relating to a device or a stage of amplification used with a radiating receiving set to suppress the radiation