/ Dictionary / Index S septuplet: Meaning and Definition of Find definitions for: sep•tup•let Pronunciation: (sep-tup'lit, -t'plit, -ty'-), [key] — n. any group or combination of seven. one of seven offspring born at one birth. seven offspring born at one birth. a group of seven notes of equal value performed in the same amount of time normally taken to perform four or six. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. septuple septuplicate Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language