An ancient city of Etruria, subject to Tarquinii, and colonized by the Romans B.C. 183. It
was situated in the Maremma, and its air was unhealthful, whence Vergil calls it
intempestae Graviscae （Aen. x. 184).
Harry Thurston Peck. Harpers Dictionary of Classical Antiquities. New York. Harper and Brothers. 1898.
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