Dual of a derivative from chowr; double cave-town; Choronajim, a place in Moab -- Horonaim.
see HEBREW chowr
H2773. Choronayim
חֹרֹנַיִם חֹרוֺנַיִם, proper name, of a location (possibly two hollows, caves, ravines, see חוֺרֹן בֵּית) — חרונים דֶּרֶךְ Isaiah 15:5; Jeremiah 48:3, חֹרוֺנָ֑יִם מוֺרַד 48:5, חֹרֹנַיִם 48:34, city of Moab; = MI31, 32 חורנן (i.e. probably חוֺרֹנֵן); ᵐ5 Αρωνιειμ, Ωρωνσιμ. — On ᵐ5 חֹרֹנַיִם Joshua 13:10-11, 2 Samuel 13:34 see We Dr and חוֺרֹן בֵּית.