قِبٌّ

, with kesr, The شَيْخ [or elder, &c.,] of a people, or party: (S, O, K:) but he is rather called قَبّ, with fet-h, as mentioned above. (TA.)

And The bone that projects from the back, between the two buttocks; (S, O, K;) i. q. عَجْبٌ: (TA:) one says, أَلْزِقْ قِبَّكَ بِالأَرْضِ, (S, O, TA,) but it is said that in a copy of the T, in the handwriting of its author, it is قَبَّكَ, with fet-h, (TA,) [as it is also in a copy of the A.] i. e. [Make thou] thy عَجْب [to cleave to the ground], (A, TA,) meaning (tropical:) sit thou. (A.)