Smith's Bible Dictionary (1863)
(changeful). The children of Sotai were a family of the descendants of Solomon’s servants who returned with Zerubbabel. (Ezra 2:55; Nehemiah 7:57) (B.C. before 536.)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
SO'TAI (a deviator), one whose descendants returned with Zerubbabel. Ezr 2:55; Neh 7:57.
Hitchcock's Bible Names (1869)
conclusion in pleading; binding