Prōtăgŏras, ae, m., = Πρωταγόρας,
I a celebrated sophist of Abdera , a disciple of Democritus , and an older contemporary of Socrates; he was banished from Athens on a suspicion of atheism , Cic. N. D. 1, 1, 2; 1, 23, 63; id. Ac. 2 ( Luc. ), 46, 142; id. Brut. 8, 30; 12, 46; Gell. 5, 3, 1 sqq.
II —Hence, Prōtăgŏrīon , ĭi, n., = Πρωταγόρειον, a dictum or maxim of Protagoras , Gell. 5, 11, 1.