1. A cut of beef that comes from the section of meat removed from the prime rib when it is boned. Generally there is not much meat, but the ribs are often used for grilling and then cut and served individually as single ribs. Also called beef ribs, Texas ribs, or beef spare ribs. 2. A cut of pork loin that is most often referred to as Baby Back ribs or Canadian ribs that contain meaty pieces of finger meat between the rib bones.