عقب

أَعْقَابٌ ذ pl. of عَقِبٌ [q. v.]. (Msb, TA.) ― -b2- And [hence] Streaks, one behind another; as streaks of fat so disposed. (TA.) ― -b3- And Pottery [or potsherds ] put between the bricks in the casing of a well, in order that it may become strong; said by Kr to have no sing.: (TA:) [or,] accord. to IAar, ↓ عِقَابٌ, i. e. like كِتَابٌ, (TA,) or ↓ عُقَابٌ, (thus written in the O,) signifies pottery [or potsherds ] between the rows, or courses, of bricks, (O, * TA,) in the casing of a well. (O.) [IAar cites an ex., in a verse, in which اعقاب would not be admissible.] And أَعْقَابُ الطَّىِّ signifies What surround the casing of a well; i. e. what are behind it. (TA. [See 4, latter half.])