isaiah 16:2 For it shall be, that, as a wandering bird cast out of the nest, so the daughters of Moab shall be at the fords of Arnon. - Free Bible Online

      2. cast out of . . . nest--rather, "as a brood cast out" (in apposition with "a wandering bird," or rather, wandering birds), namely, a brood just fledged and expelled from the nest in which they were hatched [HORSLEY]. Compare Isa 10:14; De 32:11.
      daughters of Moab--that is, the inhabitants of Moab. So 2Ki 19:21; Ps 48:11; Jer 46:11; La 4:22 [MAURER].
      at the fords--trying to cross the boundary river of Moab, in order to escape out of the land. EWALD and MAURER make "fords" a poetical expression for "the dwellers on Arnon," answering to the parallel clause of the same sense, "daughters of Moab."

JFB.