/ Dictionary / Index C Cenaeum: Meaning and Definition of Find definitions for: Ce•nae•um Pronunciation: (si-nē'um), [key] — n. (in ancient geography) a NW promontory of Euboea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cenacle Cenci Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language