'Rhetian' definitions:

Definition of 'Rhetian'

From: GCIDE

Rhetian \Rhe"ti*an\, a. [L. Rhaetius, Raetius: cf. F. rh['e]tien.] Pertaining to the ancient Rhaeti, or Rhaetians, or to Rhaetia, their country; as, the Rhetian Alps, now the country of Tyrol and the Grisons. [1913 Webster]