Easton's Bible Dictionary (1897)
A heifer, one of David’s wives, and mother of Ithream (2 Sam. 3:5; 1 Chr. 3:3). According to a Jewish tradition she was Michal.
Smith's Bible Dictionary (1863)
(a heifer), one of David’s wives during his reign in Hebron.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
EG'LAH (a heifer), one of David's wives. 2 Sam 3:5.
Hitchcock's Bible Names (1869)
heifer; chariot; round