Easton's Bible Dictionary (1897)
Just, mentioned in the genealogy of our Lord (Matt. 1:14).
Smith's Bible Dictionary (1863)
(Greek form of Zadok, just).
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
SA'DOC (just), one of our Lord's ancestors. Matt 1:14.
Hitchcock's Bible Names (1869)
or Zadok, just; righteous