1. A person whose reactions to something serve as an indication of its acceptability
   "I would use newspapermen as a sounding board for such policies" 
2. (music) resonator consisting of a thin board whose vibrations reinforce the sound of the instrument
   - soundboard

Derived forms: sounding boards

Type of: cavity resonator, individual, mortal, person, resonating chamber, resonator, somebody, someone, soul

Part of: forte-piano, piano, pianoforte, stringed instrument

Encyclopedia: Sounding board

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