/ Dictionary / Index A Aaron's-beard: Meaning and Definition of Find definitions for: Aar•on's-beard Pronunciation: (âr'unz-bērd", ar'-), [key] — n. See(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Aaronite Aaron's rod Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language