Dictionary & Thesaurus

1.

(noun) (music) a thin resonating board whose vibrations reinforce the sound of the instrument

Related Words: cavity resonator, resonating chamber, resonator

2.

(noun) a person whose reactions to something serve as an indication of its acceptability; "I would use newspapermen as a sounding board for such policies"

Related Words: human, individual, mortal, person, somebody, someone, soul