one of a series of curved bones that are articulated with the vertebrae and occur in pairs, 12 in humans, on each side of the vertebrate body, certain pairs being connected with the sternum and forming the thoracic wall.
a cut of meat, as beef, containing a rib.
ribs, spareribs (def 2).
Architecture. any of several archlike members of a vault supporting it at the groins, defining its distinct surfaces, or dividing these surfaces into panels: including ogives and tiercerons. any of several molded members or moldings, including ridge ribs and liernes, and on the surface of a vault accenting the ridges or dividing the surface into panels.
something resembling a rib in form, position, or use, as a supporting or strengthening part.