Easton's Bible Dictionary (1897)
A heifer, an Athenian woman converted to Christianity under the preaching of Paul (Acts 17:34). Some have supposed that she may have been the wife of Dionysius the Areopagite.
Smith's Bible Dictionary (1863)
(a heifer), an Athenian woman converted to Christianity by St. Paul’s preaching. ) Chrysostom and others held her to have been the wife of Dionysius the Areopagite.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
DAM'ARIS (a heifer), a woman, probably of distinction, who was converted under Paul's preaching in Athens. Because she is mentioned, Acts 17:34, immediately after Dionysius the Areopagite, Chrysostom and others maintained she was the latter's wife. But the very mode of mentioning -"a woman named"-is against the conjecture.
Hitchcock's Bible Names (1869)
a little woman