/ Dictionary / Index S Septimus: Meaning and Definition of Find definitions for: Sep•ti•mus Pronunciation: (sep'tu-mus), [key] — n. a male given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. septime septisyllable 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