definition of
rib

[1] #1 rib n. support resembling the rib of an animal. wn

[2] #2 rib n. [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). wn

[3] #3 rib v. form vertical ribs by knitting; "A ribbed sweater". wn

[4] #4 rib v. [ridicule, roast, guy, blackguard, laugh at, jest at, 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". wn

[5] #5 rib n. cut of meat including one or more ribs. wn