the Americas and Oceania, especially when regarded collectively as the inhabited landmasses of the world that became known to Europe after its discovery of the Americas.

Also called the American buffalo, a large North American mammal, having a large head and high, humped shoulders: formerly common in North America, its small remaining population in isolated western areas of the U.S. and Canada is now protected.

a large, shaggy-coated mammal that lived in cold regions across Eurasia and North America during the Ice Age, known from fossils, cave paintings, and well-preserved frozen carcasses.

an imaginary line drawn parallel to the equator, at 23.5°N latitude

an American Indian dwelling, usually of rounded or oval shape, formed of poles overlaid with bark, mats, or skins

a tent of the American Indians, made usually from animal skins laid on a conical frame of long poles and having an opening at the top for ventilation and a flap door

an extensive, flat, mostly treeless tract of land in the Mississippi valley, characterized by a highly fertile soil and originally covered with coarse grasses, and merging into drier plateaus in the west