PTEROS
PTEROS one of four islands--the other three being Labatanis, Coboris, and Sambracate--lying off the coast of the Sabaei in Arabia, and corresponding in number, and the last of the four in name, with the Sohar islands. (Plin. Nat. 6.28. s. 32; Forster, Arabia, vol. ii. p. 230.)