/ Dictionary / Index S sundae: Meaning and Definition of Find definitions for: sun•dae Pronunciation: (sun'dā, -dē), [key] — n. ice cream served with syrup poured over it, and often other toppings, as whipped cream, chopped nuts, or fruit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sundae (Thesaurus) Sund. Sunda Islands Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language