Easton's Bible Dictionary (1897)
The designation of Sanballat (Neh. 2:10, 19), a native of Horonaim, or of one of the two Beth-horons, the “upper” or the “nether,” mentioned in Josh. 16:3, 5.
Smith's Bible Dictionary (1863)
(native of Horonaim), The, the designation of Sanballat. (Nehemiah 2:10,19; 13:28) It is derived by Gesenius from Horonaim.
Schaff's Bible Dictionary
HOR'ONITE, THE, the designation, of uncertain derivation, given to Sanballat, the determined foe to Nehemiah. Neh 2:10, 1 Kgs 2:19; Neh 13:28. He may have come from Horonaim or Beth-horon.