noun (n)

• a framework of ribs(noun.artifact)

  source: wordnet30
• the act of harassing someone playfully or maliciously (especially by ridicule); provoking someone with persistent annoyances(noun.act)

  Example:
  His ribbing was gentle but persistent.
  

  Synonym:
  tantalization, tease, teasing
  

  source: wordnet30
• An assemblage or arrangement of ribs, as the timberwork for the support of an arch or coved ceiling, the veins in the leaves of some plants, ridges in the fabric of cloth, or the like.(noun)

  source: webster1913