/ Dictionary / Index Z zoon: Meaning and Definition of Find definitions for: zo•on Pronunciation: (zō'on), [key] — pl. zo•a any of the individuals of a compound organism. any individual, or the individuals collectively, produced from a single egg. zooid. -zoon Pronunciation: [key] a combining form meaning “animal,” “organism” of the kind specified by the initial element, often corresponding to zoological class names ending inwithused to name a single member of such a class: protozoon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. zoom shot zoonosis Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language