Smith's Bible Dictionary (1863)
(place of caves), the name of city of Judah allotted with its suburbs to the priests. (1 Chronicles 6:58)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
HI'LEN (place of caves ?), a city of the sons of Aaron in Judah, 1 Chr 6:58; named Holon in Josh 15:51; Josh 21:15.
Hitchcock's Bible Names (1869)
a window; grief