/ Dictionary / Index S sinking fund: Meaning and Definition of Find definitions for: sink'ing fund" Pronunciation: [key] a fund to extinguish an indebtedness, usually a bond issue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sinkiang Uighur sinking spell 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