Easton's Bible Dictionary (1897)
Forests, a mountain on the border of Judah (Josh. 15:10).
Smith's Bible Dictionary (1863)
(forests), Mount, a place named in specifying the northern boundary of Judah. (Joshua 15:10) The boundary ran from Mount Seir to “the shoulder of Mount Jearim, which is Cesalon”—that is, Cesalon was the landmark on the mountain. Kesla, seven miles due west of Jerusalem, stands on a high point on the north slope of a lofty ridge, which is probably Mount Jearim.
Hitchcock's Bible Names (1869)
a leap; woods
Schaff's Bible Dictionary
JE'ARIM, MOUNT (mount of forests), a place named in noting the northern boundary of Judah. Josh 15:10. The boundary ran from Mount Seir to "the shoulder of Mount Jearim, which is Chesnlon" — that is, Chesalon was the landmark on the mountain. Keslu stands 7 miles due west of Jerusalem, on a high point on the north slope of a lofty ridge, which is probably Mount Jearim. Considerable woods still exist there.