/ Dictionary / Index S Septuagesima: Meaning and Definition of Find definitions for: Sep•tu•a•ges•i•ma Pronunciation: (sep"ch-u-jes'u-mu, -t-, -ty-), [key] the third Sunday before Lent. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: septuagesima (Thesaurus) septuagenary Septuagint Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language