Fausset's Bible Dictionary
(the "lance", or else the "nest".) A city in the low hilly country (shephelah ) of Judah (Joshua 15:57).
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Fausset, Andrew R. Entry for 'Cain (2)'. Fausset's Bible Dictionary. https://www.studylight.org/dictionaries/eng/fbd/c/cain-2.html. 1949.