/ Dictionary / Index O ocellar: Meaning and Definition of Find definitions for: o•cel•lar Pronunciation: (ō-sel'ur), [key] — adj. pertaining to an ocellus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Oceanus Procellarum ocellated Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language