/ Dictionary / Index A Aaron: Meaning and Definition of Find definitions for: Aar•on Pronunciation: (âr'un, ar'-), [key] — n. the older brother of Moses, usually regarded as the first high priest of the Hebrews. Ex. 28; 40:13–16. (Hank), born 1934, U.S. baseball player. a male given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aaron (Thesaurus) Aarhus Aaronic Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language