/ Dictionary / Index M Matacil: Meaning and Definition of Find definitions for: Mat•a•cil Pronunciation: (mat'u-sil), [key] — Chem., Trademark. Chem.,Trademark. a brand of aminocarb. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Matabele Matadi Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language