"Ground bison" refers to meat that comes from a specific type of animal called a bison, which has been processed and formed into small pieces or ground up. Full definition
Wild Thing Texas Chili This chili is free of beans and corn, filled instead with ground bison, venison, wild boar, bacon, onion, garlic, bell peppers, black coffee, tomatoes, and a host of fabulous seasonings to give it heat and lots of character. (paleogrubs.com)
We used ground bison meat instead of beef and frozen instead of canned corn. (iheartnaptime.net)