شَخْرٌ

The first period or stage of youth; (K, TA;) and the sharpness thereof; like شَرْخٌ. (TA.)

The part, of a رَحْل [or camel's saddle], that is between the قَادِمَة and the اخِرَة, (O, K, TA,) which are the كَرَّانِ: (TA:) [said to be] also called the شَرْخ, [which is an evident mistake, perhaps originating from its having been said that شَخْرٌ and شَرْخٌ are synonym, meaning in another sense, mentioned above,] (O, TA,) and the شَجْر [q. v.]: (TA:) or the space between the upper part of the two extremities [at the fore part and hind part] of the [saddle called] قَتَب. (JK.)

And The chink of the buttocks. (JK, O. [In the K, for وَشَخْرُ الاِسْتِ شَقُّهَا, the reading in the JK and O, is put وَشَخَرَ الاِسْتَ شَقَّهَا.])