noun Date: 1729 1. a structure behind or over a pulpit, rostrum, or platform to give distinctness and sonority to sound, a device or agency that helps propagate opinions or utterances, a person or group on whom one tries out an idea or opinion as a means of evaluating it, soundboard 1
SOUNDING BOARD
Meaning of SOUNDING BOARD in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012