/ Dictionary / Index D Deucalion: Meaning and Definition of Find definitions for: Deu•ca•li•on Pronunciation: (d-kā'lē-un, dy-), [key] — n. Class. Myth. a son of Prometheus who survived the Deluge to regenerate the human race. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. detumescence deuce Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language