/ Dictionary / Index D downcome: Meaning and Definition of Find definitions for: down•come Pronunciation: (doun'kum"), [key] — n. a downcomer. descent or downfall; comedown; humiliation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. downcast downcomer Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language