rib, costa -- (any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates))
rib -- (cut of meat including one or more ribs)
rib -- (a teasing remark)
rib -- (a riblike supporting or strengthening part of an animal or plant)
rib -- (a projecting molding on the underside of a vault or ceiling; may be ornamental or structural)
Overview of verb rib
The verb rib has 2 senses
rib -- (form vertical ribs by knitting; "A ribbed sweater")
ridicule, roast, guy, blackguard, laugh at, jest at, rib, make fun, poke fun -- (subject to laughter or ridicule; "The satirists ridiculed the plans for a new opera house"; "The students poked fun at the inexperienced teacher"; "His former students roasted the professor at his 60th birthday")