/ Dictionary / Index O organa: Meaning and Definition of Find definitions for: or•ga•na Pronunciation: (ôr'gu-nu), [key] — n. a pl. of or•ga•na Pronunciation: (ôr'gu-nu), [key] — n. a pl. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: organa (Thesaurus) organ organdy 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