Pŏlyhistor, ŏris, m., = Πολυίστωρ (the much-knowing or learned man).
I The title of the natural history written by C. Julius Solinus. —
II A surname of the grammarian Cornelius Alexander , Suet. Gram. 20; Plin. 9, 35, 56, § 115.
·noun One versed in various learning. ...
Webster's Dictionary of the English Language