soundingboard

listen to the pronunciation of soundingboard
الإنجليزية - الإنجليزية
{n} a board used to propagate sound by
A board or structure placed behind or over a pulpit or rostrum to give distinctness to a speaker's voice
See Sound boarding, under Sound, a noise
A thin board which propagates the sound in a piano, in a violin, and in some other musical instruments
soundingboard
المفضلات