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Definition of Vibrating reed
1. Noun. A vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it. "The clarinetist fitted a new reed onto his mouthpiece" 
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1. Noun. A vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it. "The clarinetist fitted a new reed onto his mouthpiece"