/ Dictionary / Index Q quadruplet: Meaning and Definition of Find definitions for: quad•ru•plet Pronunciation: (kwo-drup'lit, -dr'plit, kwod'roo-plit), [key] — n. any group or combination of four. four children or offspring born of one pregnancy. one of four such children or offspring. a group of four notes of equal value performed in the time normally taken for three. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quadruplet (Thesaurus) quadruple run quadruple time Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language