/ Dictionary / Index A acute bisectrix: Meaning and Definition of Find definitions for: acute' bisec'trix Pronunciation: [key] — Crystall. Crystall. See under(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acute anterior poliomyelitis acute-care Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language