sounding board
noun
a thin, resonant plate of wood forming part of a musical instrument, and so placed as to enhance the power and quality of the tone.
a structure over or behind and above a speaker, orchestra, etc., to reflect the sound toward the audience.
a board used in floors, partitions, etc., for deadening sound.
a person or persons whose reactions serve as a measure of the effectiveness of the methods, ideas, etc., put forth.
a person or group that propagates ideas, opinions, etc.: He was more of a sounding board than a novelist.
Also called
soundboard.
Origin of sounding board
First recorded in 1760–70
Words nearby sounding board
soundbox,
soundcard,
sounder,
sounding,
sounding balloon,
sounding board,
sounding lead,
sounding line,
sounding machine,
sounding rocket,
soundless
Example sentences from the Web for sounding board
British Dictionary definitions for sounding board
sounding board
noun
Also called: soundboard
a thin wooden board in a piano or comprising the upper surface of a resonating chamber in a violin, cello, etc, serving to amplify the vibrations produced by the strings passing across it
See also belly (def. 6)
Also called: soundboard
a thin screen suspended over a pulpit, stage, etc, to reflect sound towards an audience
a person, group, experiment, etc, used to test a new idea, policy, etc, for acceptance or applicability