/ Dictionary / Index S sept: Meaning and Definition of Find definitions for: sept Pronunciation: (sept), [key] — n. (in Scotland) a branch of a clan. a group believing itself derived from a common ancestor. a clan. sept Pronunciation: (set), [key] — n. French. the number seven. Sept. Pronunciation: [key] September. Septuagint. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sept (Thesaurus) sepsis septa Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language