Easton's Bible Dictionary (1897)
Little, a place probably east of the Dead Sea, where Joram discomfited the host of Edom who had revolted from him (2 Kings 8:21).
Smith's Bible Dictionary (1863)
(small), a place named in (2 Kings 8:21) only, in the account of Joram’s expedition against the Edomites. It has been conjectured that Zair is identical with Zoar.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
ZA'IR (small), a place in Idumaea where Joram overcame the Edomites. 2 Kgs 8:21. The name does not occur elsewhere. It has been regarded as equivalent to Zoar, and again to Seir, but more probably is identical with Zueirah, on the south-western side of the Dead Sea.
Hitchcock's Bible Names (1869)
little; afflicted; in tribulation