Smith's Bible Dictionary (1863)
properly Az’zur (he that assists)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
A'ZUR (helper). (1). The father of Hananiah, the false prophet of Gibeon. Jer 28:1. (2). The father of one of the princes against whom Ezekiel prophesied. Eze 11:1.
Hitchcock's Bible Names (1869)
he that assists or is assisted