ONCUS

ΟΓΚΟΣ

1. A son of Apollo, and founder of Onceium in Arcadia. Demeter, after being metamorphosed into a horse, mixed among his herds, and gave him the horse Arion, of which she was the mother by Poseidon. (Paus. viii. 25. § 4, &c.; comp. Step. Byz. s. r.)

2. [See BIANOR.]