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WordReference Random House Learner's Dictionary of American English © 2024sound•ing board /ˈsaʊndɪŋ ˌbɔrd/USA pronunciation n. [countable]- Music and DanceAlso called ˈsoundˌboard. a thin plate of wood forming part of a musical instrument, used to improve the power and quality of the tone.
- one whose reactions serve as a measure of whether or not an idea will be acceptable to others:Her husband was her sounding board for the plan.
WordReference Random House Unabridged Dictionary of American English © 2024sound′ing board′, - Music and Dancea 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.
- Buildinga 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.
Collins Concise English Dictionary © HarperCollins Publishers:: sounding board n - 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
- 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
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