/ Dictionary / Index A acusector: Meaning and Definition of Find definitions for: ac•u•sec•tor Pronunciation: (ak"yoo-sek'tur), [key] — n. Surg. a needle for cutting tissue by means of a high-frequency electric current. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acus acutance Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language