/ Dictionary / Index O ovule: Meaning and Definition of Find definitions for: ov•ule Pronunciation: (ov'yl, ō'vyl), [key] — n. a rudimentary seed. the plant part that contains the embryo sac and hence the female germ cell, which after fertilization develops into a seed. a small egg. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ovule (Thesaurus) ovulate ovum Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language