/ Dictionary / Index O otocyst: Meaning and Definition of Find definitions for: o•to•cyst Pronunciation: (ō'tu-sist), [key] — n. a statocyst. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Oto Otoe Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language