Easton's Bible Dictionary (1897)
, of the whole tract on the west of the Euphrates. This Hebrew title pehah is given to governors of provinces generally. It is given to Nehemiah (5:14) and to Zerubbabel (Hag. 1:1). It is sometimes translated “captain” (1 Kings 20:24; Dan. 3:2, 3), sometimes also “deputy” (Esther 8:9; 9:3). With others, Tatnai opposed the rebuilding of the temple (Ezra 5:6); but at the command of Darius, he assisted the Jews (6:1-13).
Smith's Bible Dictionary (1863)
(gift), satrap of the province west of the Euphrates in the time of Darius Hystaspes. ) The name is thought to be Persian.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
TAT'NAI (gift), a Persian governor in Palestine. Ezr 5:3, 1 Chr 24:6; 1 Kgs 6:6, Lev 6:13.
Hitchcock's Bible Names (1869)
that gives; the overseer of the gifts and tributes