رعب

تِرْعِيبَةٌ ذ A piece of a camel's hump; (S, K;) as also ↓ رُعْبُوبَةٌ (K) and ↓ رُعْبُبٌ: (TA:) pl. ↓ تِرْعِيبٌ; (K;) or rather, accord. to AHei, this is a coll. gen. n.: (MF, TA:) it is also pronounced ↓ تَرْعِيبٌ; (Sb, AHei;) and is said to signify a camel's hump cut into long pieces, or slices: it is a subst. [properly so termed], not an inf. n.: (TA:) and its ت is shown to be augmentative by the fact that there is no [undisputed] word of the measure فَعْلِيلٌ, with fet-h [to the ف]. (MF, TA.)