patagonian Definition

region of South America in southern Argentina and southern Chile, a barren tableland between the Andes Mountains and the Atlantic Ocean south of about 40° south latitude and sometimes considered to include Tierra del Fuego

a large, long-lived, deep-sea toothfish (Dissostichus eleginoides) that occurs in cold waters of the southern Atlantic, Pacific, and Indian oceans and is caught commercially for food —called also Chilean sea bass