/ Dictionary / Index S septa: Meaning and Definition of Find definitions for: sep•ta Pronunciation: (sep'tu), [key] — n. pl. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: septa (Thesaurus) sept septal Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language