/ Dictionary / Index S sacellum: Meaning and Definition of Find definitions for: sa•cel•lum Pronunciation: (su-kel'um, -sel'-), [key] — pl. -cel•la a small chapel, as a monument within a church. (in ancient Rome) a shrine open to the sky. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sacculus sacerdotal Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language