Noun: sounding board
- (music) resonator consisting of a thin board whose vibrations reinforce the sound of the instrument
"The piano's sounding board amplified the vibrations of the strings";
- soundboard
- A person whose reactions to something serve as an indication of its acceptability
"I would use newspapermen as a sounding board for such policies"
Derived forms: sounding boards
Type of: actor, cavity resonator, doer, resonating chamber, resonator, worker
Part of: forte-piano, piano, pianoforte, stringed instrument
Encyclopedia: Sounding board