'American ostrich' definitions:

Definition of 'American ostrich'

From: GCIDE
  • Rhea \Rhe"a\, n. [L., a proper name.] (Zool.) Any one of three species of large South American ostrichlike birds of the genera Rhea and Pterocnemia. Called also the American ostrich. [1913 Webster]
  • Note: The common rhea, or nandou (Rhea Americana), ranges from Brazil to Patagonia. Darwin's rhea ({Pterocnemia Darwinii}), of Patagonia, is smaller, and has the legs feathered below the knee. [1913 Webster]