11. cities—in a region not wholly waste, but mainly so, with an oasis here and there.
Kedar—in Arabia-Deserta (Isa 21:16; Ge 25:13). The Kedarenians led a nomadic, wandering life. So Kedar is here put in general for that class of men.
rock—Sela, that is, Petra, the metropolis of Idumea and the Nabathœan Ishmaelites. Or it may refer in general to those in Arabia-Petræa, who had their dwellings cut out of the rock.
the mountains—namely, of Paran, south of Sinai, in Arabia-Petræa [Vitringa].