/ Dictionary / Index D domesday: Meaning and Definition of Find definitions for: domes•day Pronunciation: (dmz'dā", dōmz'-), [key] — n. Archaic. doomsday. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Dome of the Rock Domesday Book* Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language