عَجْبٌ

and see also عُجْبٌ.

Also The root, or base, of the tail: (S, O, K:) or the part of the root, or base, of the tail, of any beast, which the haunch encloses, (Msb, TA,) and which is inserted in the hinder part of the rump: (TA:) or the root, or base, and bone, of the tail: (Lh, TA:) also called the عُصْعُص [q. v.]: (Msb, TA:) or it is the head of the عُصْعُص: (TA:) or the upper part of the عُصْعُص: or the external extremity of the spine; and the عُصْعُص is its internal extremity: (Az, L voce قُحْقُحٌ:) it is said in a tradition, that every part of a man will become consumed, except the عَجْب, (TA,) or the عَجْب of the tail, (O, TA,) according to different relations; (TA;) from which [as a rudiment] he was created, and upon which he will [at the resurrection] be put together: (O:) i. e. the bone at the lower, or lowest, part of the spine, at the rump; which is the عَسِيب of beasts: it is said to be like a grain of mustard-seed: or, as Z says in the “ Fáïk, ” it is the bone that is between the buttocks: it is also pronounced عُجْبٌ; and according to MF, عِجْبٌ, but no one else says this: and, as El-Khafájee says, it is also called عَجْمٌ and عُجْمٌ and عِجْمٌ, in this case with the three vowel-sounds. (TA.)

Also (tropical:) The hinder part (S, O, K, TA) of a tract of sand, (S, O,) or of anything: (K, TA:) and hence, عَجْبُ كَثِيبٍ i. e. the thin hinder portion [of a sand-hill, or of an extended and gibbous sand-hill, or of a collection of sand that has poured down]: (TA:) plural عُجُوبٌ, (S, O,) and perhaps أَعْجَابٌ also in the former sense [and therefore in this likewise]. (TA.)