Easton's Bible Dictionary (1897)
Jehovah defends, a priest at Jerusalem, head of one of the sacerdotal courses (1 Chr. 9:10; 24:7). His “course” went up from Babylon after the Exile (Ezra 2:36-39; Neh. 7:39-42).
Smith's Bible Dictionary (1863)
(whom Jehovah defends), head of the first of the twenty-four courses of priests.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JEHOI'ARIB (whom Jehovah defends), the head of the first course of priests. 1 Chr 24:7.
Hitchcock's Bible Names (1869)
fighting, or multiplying, of the Lord