Hieromax a river of Palestine (Pliny, Hist. Nat. 5, 16), the Jarmoch of the Talmud; now Nahr Yarmuk (Edrisi and Abulfeda), or Sheriat el-Mandhur (Ritter, 15, 372). The principal sources are near Mezarib, where they form a lake of half an hour in circumference. — Van de Velde, Memoir, p. 321.