/ Dictionary / Index S sesquiterpene: Meaning and Definition of Find definitions for: ses•qui•ter•pene Pronunciation: (ses"kwi-tûr'pān), [key] — n. Chem. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sesquiplane Sesshu Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language