IPA: /ˈsaʊndbɔrd/
KK: /ˈsaʊndˌbɔrd/
A flat piece of material used in musical instruments to enhance sound quality by vibrating and amplifying the sound produced.
The violin's soundboard is crucial for producing rich and full tones.
Soundboard → The word is formed from "sound" (from Old English *sund*, meaning noise or vibration) and "board" (from Old English *bord*, meaning a flat piece of material). A soundboard is a flat piece of material that vibrates to produce sound.
Think of a flat 'board' that helps create or amplify 'sound' — that's what a soundboard does.