soundboard

[ sound-bawrd, -bohrd ]

/ ˈsaʊndˌbɔrd, -ˌboʊrd /

Origin of soundboard

First recorded in 1495–1505; sound¹ + board

The wrest plank is veneered with cypress, giving the appearance that the soundboard extends over it.

Italian Harpsichord-Building in the 16th and 17th Centuries |John D. Shortridge
We now arrive at this joining of the wood for the soundboard, and the glue to be used must be of the best.

Violin Making |Walter H. Mayson
The 1760 date is painted on the left side of the soundboard.

Harpsichords and Clavichords |Cynthia A. Hoover
The very thin sides of the virginal are held together at the corners by blocks, and the soundboard is supported by a lining.

Italian Harpsichord-Building in the 16th and 17th Centuries |John D. Shortridge

The bridges served to direct the course of the strings and to conduct the sound waves to the soundboard.

Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4 |Various