THALLI a people of Asiatic Sarmatia, E. of the mouth of the Rha. (Plin. Nat. 6.5. s. 5.)[T.H.D]
Thalli, ōrum, m., a people on the Caspian Sea , Plin. 6, 5, 5, § 17. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
·pl of <<Thallus>>. ...
Webster's Dictionary of the English Language