Wiktionary
soundhole
alt. (context music English) An opening in the belly of a stringed instrument that increases its volume and enhance its tone quality n. (context music English) An opening in the belly of a stringed instrument that increases its volume and enhance its tone quality
Usage examples of "soundhole".
A tone came out of the soundhole low on the instrument’s belly—pleasantly mellow, to his surprise—but that was overwhelmed a second later by a brassy dissonance howling from the grate at the top.