rib

noun16

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 cut of meat enclosing one or more rib bones.
3. •
   A part or piece, similar to a rib, and serving to shape or support something.
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 strip of metal running along the top of the barrel that serves as a sighting plane.
8. •
   The main, or any of the prominent veins of a leaf.
9. •
   A teasing joke.
10. •
    A raised ridge in knitted material or in cloth.
11. •
    A stalk of celery.
12. •
    (Ireland, informal) A single strand of hair.
13. •
    Watercress (Nasturtium officinale).
14. •
    Hound's-tongue (Cynoglossum officinale).
15. •
    Costmary (Tanacetum balsamita).
16. •
    (literary, no longer used) A wife or woman.

    • 'Near to it was the portrait of his rib, Dame Middleton.' — 1862

verb4

1. •
   To tease or make fun of someone in a good-natured way.

   • He always gets ribbed for his outrageous shirts.
2. •
   To shape, support, or provide something with a rib or ribs.
3. •
   To leave strips of undisturbed ground between the furrows in ploughing (land).
4. •
   To enclose, as if with ribs, and protect; to shut in.

   • It [lead] were too gross To rib her cerecloth in the obscure grave. — 1596

noun2

1. •
   (Internet) routing information base
2. •
   Acronym of rigid inflatable boat (“a lightweight inflatable boat with a rigid hull”).