/ Dictionary / Index A acro-: Meaning and Definition of Find definitions for: acro- Pronunciation: [key] a combining form with the meanings “height,” “tip end,” “extremities of the body,” used in the formation of compound words: acrophobia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acritical acrobat Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language