/ Dictionary / Index S Southdown: Meaning and Definition of Find definitions for: South•down Pronunciation: (south'doun"), [key] — n. one of an English breed of sheep, yielding mutton of high quality. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. South Dakota South Downs Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language