The descendants of Aaron, and therefore priests. Jehoiada, the father of Benaiah, led 3,700 Aaronites as “fighting men” to the support of David at Hebron (1 Chr. 12:27). Eleazar (Num. 3:32), and at a later period Zadok (1 Chr. 27:17), was their chief.
Easton’s Bible Dictionary
Aaronites
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.