قَبٌّ

The perforation in which runs [or rather through which passes] the pivot of the مَحَالَة [or great pulley]: (M, K:) or the hole which is in the middle of the بَكْرَة [or sheave] (M, A, K) and around which the latter revolves: (A:) or the [sheave or] perforated piece of wood which revolves around the pivot: and its plural, in these senses, is أَقُبٌّ, only: (M:) or the piece of wood above the teeth of the مَحَالَة: (K, TA:) or [this is apparently a mistake, or mistranscription, and the right explanation is] the piece of wood [i. e. the sheave] (S, O, TA) in the middle of the بَكْرَة, (S, O,) above which are teeth (S, O, TA) of wood, (S, O,) the teeth of the محالة [between which teeth runs the well-rope]; thus says As. (TA.) [See an example in a verse of Zuheyr cited voce ثِنَايَةٌ.]

And The head [or truck] of the دَقَل [or mast] of a ship. (Az, TA in article رنح.)

And [apparently as being likened to the pivot-hole of the sheave of a pulley,] (tropical:) A head, chief, or ruler, (S, M, A, O, K,) of a people, or party: (M, A:) or the greatest head or chief or ruler; (M;) or such is called القَبُّ الأَكْبَرُ; (S, O;) and this appellation means the شَيْخ [or elder, &c.,] upon [the control of] whom the affairs of the people, or party, turn. (A.) And, (K,) some say, (M,) (assumed tropical:) A king: (M, K:) and, (K,) some say, (M,) a خَلِيفَة [q. v.]. (M, K.) [See also قِبٌّ.]

And [hence, perhaps,] (assumed tropical:) A فَحْل [i. e. stallion, or male,] of camels and of mankind. (O, K.)

Also (assumed tropical:) The back-part of a coat of mail: so called because that part is its main support; from the قَبّ of a pulley. (TA, from a tradition)

And (assumed tropical:) The piece, or pieces, inserted [i. e. sewed inside, next to the edge,] in the جَيْب [or opening at the neck and bosom] of a shirt. (A 'Obeyd, S, M, O, K.) [And in the present day it is likewise used to signify The collar of a shirt or similar garment; as also قَبَّةٌ.]

Also The part between the two hips: (M, K:) or, between the two buttocks: (K:) or قَبُّ الدُّبُرِ means what is between the two buttocks. (M.) See also قِبٌّ.

And The hardest, or most severe, (M, O, K,) and largest, (M, K,) of لُجُم [i. e. bits, or bridles; plural of لِجَامٌ, q. v.]. (M, O, K.)

And A certain measure for corn, or grain, or other kinds of the produce of land. (TA.)

10.

وَتَرٌ قَبٌّ means [apparently A bow-string] of which the several طَاقَات [or component fascicles of fibres or the like] are even. (A.)