صك

أَصَكُّ ذ Knock-kneed: (S, O, Msb:) or having a colliding (اِضْطِرَاب) of the knees, and [when used in relation to an ostrich or a horse or the like] of the عُرْقُوبَانِ [which evidently means here, as in many other instances, the hocks ]; as also ↓ مِصَكٌّ; (K;) which latter [in this sense is rare, and is written in the CK مَصَكٌّ, but] is with kesr to the م: (TA:) thus applied to a man; (S, O, K, TA;) and to other than man; (TA;) [i. e.] applied also to a horse; (O;) and to an ostrich, because he is long in step, long-legged, and sometimes, or often, his رُكْبَتَانِ [here improperly used as meaning “ hocks ”] being near together, his legs strike each other: (S, O:) and a man is also said to be أَصَكُّ الرِّجْلَيْنِ: (TA:) the fem. is صَكَّاآءُ: (Mgh, Msb:) and the pl. is صُكٌّ. (TA.) ― -b2- Also One whose teeth, both the أَسْنَان and the أَضْرَاس, cleave close together: like أَلَصُّ. (Az, TA.) ― -b3- See also the next paragraph.