The term Bison refers to a large, hoofed mammal that is native to North America and Europe. The crossword solutions for this term include BUFFALO (7 letters), WISENT (6 letters), YAK (3 letters), and American BUFFALO (15 letters). BUFFALO is the most common name for the North American species of Bison, while WISENT is the European species. YAK is a species of wild cattle found in the Himalayas, and American BUFFALO is another name for the North American species of Bison.