Definitions
1.nounA beef steak cut from the rib section of the cow; with the bone removed.
2.nounA beefsteak cut from the primal rib area of a bovine, with the rib bone attached to the steak cut. A bone-in rib steak.
3.nounA similar cut from another animal.
4.noun(by extension) A bone-in or boneless cut of steak, either the rib or ribeye steak.