/ Dictionary / Index S sound hole: Meaning and Definition of Find definitions for: sound' hole" Pronunciation: [key] an opening in the soundboard of a musical stringed instrument, as a violin or lute, for increasing the soundboard's capacity for vibration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sound head sounding Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language