Orbēlus (-lŏs), i, m., = Ὀρβηλός,
a mountain on the borders of Macedonia and Thrace : Orbelus, Mel. 2, 2, 2; Plin. 4, 10, 17, § 35.
ORB´ELUS(Ὄρβηλος, Herod, 5.16; Strab. 7. p. 329; Diod. 20.19; Arrian, Anab. 1.1.5; Ptol. 3.9.1,iii 1...
Dictionary of Greek and Roman Geography