Easton's Bible Dictionary (1897)
Peoples; nations, the last mentioned of the three sons of Dedan, and head of an Arabian tribe (Gen. 25:3).
Smith's Bible Dictionary (1863)
(peoples), the name of the third of the descendants of Dedan son of Jokshan, (Genesis 25:3) being in the plural form, like his brethren, Asshurim and Letushim.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
LEUM'MIM (peoples, nations), an Arabian tribe descended from Dedan, the son of Jokshan. Gen 25:3.
Hitchcock's Bible Names (1869)
countries; without water