/ Dictionary / Index O organogenesis: Meaning and Definition of Find definitions for: or•ga•no•gen•e•sis Pronunciation: (ôr"gu-nō-jen'u-sis, ôr-gan"ō-), [key] — n. the origin and development of an organ. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. organ of Corti organography Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language