/ Dictionary / Index A Acuff: Meaning and Definition of Find definitions for: A•cuff Pronunciation: (ā'kuf), [key] 1903–92, U.S. country-and-western singer and composer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acuate acuity Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language