عسب

عَسِيبٌ ذ A palm-branch from which the leaves have been removed: (T, Msb, TA:) or a straight and slender palm-branch from which the leaves have been stripped off: and one upon which leaves have not grown: (K:) or the part, of a palmbranch, a little above the كَرَب [or lower, thick, and broad, portions, ] upon which no leaves have grown; that [or those parts] upon which leaves have grown being termed سَعَفٌ: (S, O:) pl. [of mult.] عُسُبٌ, (O, Msb, TA,) with two dammehs, (TA,) and عُسْبَانٌ (Msb, TA) and عِسْبَانٌ and عُسُوبٌ and [of pauc.] أَعْسِبَةٌ. (TA.) It is said of the Prophet, in a trad., قُبِضَ وَالقُرْاآنُ فِى العُسُبِ وَالقُضُمِ وَالكَرَانِيفِ [ He was taken, i. e. he died, while the Kur-án was written only upon leafless palm-branches, and skins, or white skins, and stumps of palm-branches ]. (O, TA.*) ― -b2- Also The bone of the tail; and so ↓ عَسِيبَةٌ: (K:) or the slender part thereof: (TA:) or the part where grows the hair thereof, (K, TA,) i. e. of the tail: (TA:) or عَسِيبُ الذَّنَبِ signifies the part, of the skin and bone of the tail, where the hair grows. (S, O, TA.) ― -b3- And The outer [here meaning upper ] part of the human foot: and likewise [i. e. the shorter side, or app., accord. to some, the shaft (see ظَهْرٌ as used in relation to a feather),] of a feather, lengthwise. (K.) ― -b4- And A cleft, or fissure, in a mountain; as also ↓ عَسْبَةٌ. (K.)