Easton's Bible Dictionary (1897)
Immeasurable, the first named of the sons of Joktan (Gen. 10:26), the founder of an Arabian tribe.
Smith's Bible Dictionary (1863)
(measure) the first in order of the descendants of Joktan.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
ALMO'DAD (immeasurable), the Joktanite. Gen 10:26; 1 Chr 1:20.
Hitchcock's Bible Names (1869)
measure of God