/ Dictionary / Index S sacculus: Meaning and Definition of Find definitions for: sac•cu•lus Pronunciation: (sak'yu-lus), [key] — pl. -li a saccule. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sacculus (Thesaurus) saccule sacellum Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language