Verb

1. subject to laughter or ridicule
2. form vertical ribs by knitting

Noun

1. support resembling the rib of an animal
2. a projecting molding on the underside of a vault or ceiling; may be ornamental or structural
3. a riblike supporting or strengthening part of an animal or plant
4. 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)
5. a teasing remark
6. cut of meat including one or more ribs