It's one of eight primal beef cuts, removed from the cow's carcass when butchered. These tough cuts of meat tend to be quite sizeable, with beef chuck being the biggest of them all. Since it's one ...

Here's more on the USDA's beef-grading system. The "prime" in "prime rib" refers to the fact that this cut comes from the rib section — one of eight "primal" sections into which every beef cow ...

This cut of meat comes from the beef rib primal section of the cow ... which dictates that prime beef must contain eight to 13% fat. Rather, the term is called “prime” because it comes ...