حدب

2 تَحْدِيبٌ تحديب [inf. n. of حدّب] The act of elevating, or raising high, the back. (KL.) ― -b2- [And, accord. to Golius, as on the authority of the KL, The making a thing gibbous, or convex: but this meaning which the word has in the present day, I do not find in my copy of the KL.]