The term "rib" has several meanings depending on its context.
- In anatomy, a rib is one of a pair of bones that form part of the skeletal system and are attached to the spine at the back. These bones protect the vital organs in the chest cavity.
- In cooking, a rib refers to a cut of meat from the rib section of an animal such as pork or beef. It consists of several ribs connected by cartilage and is often grilled or barbecued.
- In engineering, a rib is a structural element that provides support while also adding strength to a structure. For example, in architecture, rib vaults are used to create an illusion of weightlessness through the use of arches and vaults.