/ Dictionary / Index C cacodyl: Meaning and Definition of Find definitions for: cac•o•dyl Pronunciation: (kak'u-dil), [key] —adj. containing the cacodyl group. —n. an oily, slightly water-soluble, poisonous liquid compound composed of two cacodyl groups, (CH)As−As(CH), that has a vile, garliclike odor and that undergoes spontaneous combustion in dry air. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cacodyl (Thesaurus) cacodemon cacodylate Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language