/ Dictionary / Index A ANTU: Meaning and Definition of Find definitions for: ANTU Pronunciation: (an't), [key] — Trademark. Trademark. a brand of gray, water-insoluble, poisonous powder, CHNS, used for killing rodents; alpha-naphthylthiourea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ant-thrush Antung Related Content Daily Word Quiz: laudable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language