/ Dictionary / Index A anterior tooth: Meaning and Definition of Find definitions for: ante'rior tooth' Pronunciation: [key] — Dentistry. Dentistry. a tooth in the front of the mouth; an incisor or cuspid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. anterior pituitary luteotropin antero- Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language