ribbing
n. விலாவெலும்பு அமைப்பு, விலாவெலும்புகள் போன்ற அமைவு.
Rib"bing, n. Defn: 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.