Noun

1. Any of a series of long curved bones occurring in 12 pairs in humans and other animals and extending from the spine to or toward the sternum
2. A part or piece, similar to a rib, and serving to shape or support something
3. A cut of meat enclosing one or more rib bones
4. Any of several curved members attached to a ship's keel and extending upward and outward to form the framework of the hull
5. Any of several transverse pieces that provide an aircraft wing with shape and strength
6. A long, narrow, usually arched member projecting from the surface of a structure, especially such a member separating the webs of a vault
7. A raised ridge in knitted material or in cloth
8. The main, or any of the prominent veins of a leaf
9. A teasing joke
10. A single strand of hair.
11. A stalk of celery.

Verb

1. To shape, support, or provide something with a rib or ribs
2. To tease or make fun of someone