/ Dictionary / Index Z zootoxin: Meaning and Definition of Find definitions for: zo•o•tox•in Pronunciation: (zō"u-tok'sin), [key] — n. any toxin of animal origin, as a snake or scorpion venom, or serum produced by means of such toxin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zootoxin (Thesaurus) zootomy zoot suit Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language