Pat·a·go·ni·a (păt′ə-gōnē-ə, -gōnyə)
A tableland region of South America in southern Argentina and Chile extending from the Río Colorado to the Straits of Magellan and from the Andes to the Atlantic Ocean. The study of its indigenous inhabitants, the Tehuelche, and its unusual wildlife have attracted many scientific expeditions, including that of Charles Darwin (1831-1836).
Pat′a·goni·an adj. & n.
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