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