s, a, o, b, d, g, n, r, i, u are letters that make 'sounding board'
oar, ding, UN, sou, ar, ng, sounding, sound, so, in, din, boa, boar, board, AR, IN, ND, Ar, In, Nd are words within 'sounding board'
2 possible definitions for 'sounding board'
Under this definition, sounding board is a noun and has the following properties:
soundboard has the same meaning as sounding board
'sounding board' can be a type of resonator, cavity resonator, resonating chamber.
'sounding board' can be a part of piano, pianoforte, forte-piano, stringed instrument.
sound hole is a part of sounding board.
'sounding board' can be a category of music.
Under this definition, sounding board is a noun and has the following properties:
'sounding board' can be a type of mortal, individual, someone, person, somebody, soul.
"I would use newspapermen as a sounding board for such policies"