/ Dictionary / Index A acron: Meaning and Definition of Find definitions for: ac•ron Pronunciation: (ak'ron, -run), [key] — n. the unsegmented, preoral portion of the body of an arthropod. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acromion acronym Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language