/ Dictionary / Index A argol: Meaning and Definition of Find definitions for: ar•gol Pronunciation: (är'gul), [key] — n. a crude tartar, produced as a by-product in casks by the fermentation of wine grapes, used as a mordant in dyeing, in the manufacture of tartaric acid, and in fertilizers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Argo Argolis 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