/ Dictionary / Index E ergotoxine: Meaning and Definition of Find definitions for: er•go•tox•ine Pronunciation: (ûr"gu-tok'sēn, -sin), [key] — n. Pharm. a white, crystalline, water-insoluble alkaloid, CHNO, obtained from ergot, used chiefly in obstetrics as a uterine stimulant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ergotism Ergotrate Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language