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: any of several obsolete musical instruments distinguished by their low or soft tone: such as
: a trumpet used in giving soldiers the signal to march
: mute entry 2 sense 3
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French, from Italian sordina, sordino, from sordo silent, dull-sounding, deaf (from Latin surdus) + -ina, -ino (diminutive suffixes)
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something that serves to warn or remind
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