What is pertaining to the ancient Rhæti, or Rhætians, or to Rhætia, their country; as, the Rhetian Alps, now the country of Tyrol and the Grisons called?

rhetian — Pertaining to the ancient Rhæti, or Rhætians, or to Rhætia, their country; as, the Rhetian Alps, now the country of Tyrol and the Grisons. (Webster's 1913.)

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