/ Dictionary / Index T triple sec: Meaning and Definition of Find definitions for: tri'ple sec" Pronunciation: [key] a type of curaçao liqueur. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. triple scalar product triple-space Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language