/ Dictionary / Index S sestet: Meaning and Definition of Find definitions for: ses•tet Pronunciation: (se-stet', ses'tet), [key] — n. the last six lines of a sonnet in the Italian form, considered as a unit. Cf.(def. 4a). sextet (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sestet (Thesaurus) sestertius sestina Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language