صلو

صَلًا ذ The middle of the back of a human being and of any quadruped: (M, K:) and, (K,) or as some say, (M,) [app. in a beast,] the part that slopes down from the hips, or haunches: or the space intervening between the جَاعِرَة [app. meaning the hinder projection of the haunch or rump of a beast] and the tail: (M, K:) or the part on the right and left of the tail; (S, M, K;) the two together being called [the] صَلَوَانِ, (S, K,) which is similarly expl. by Zj in relation to a she-camel; app. properly meaning the two parts bordering upon the tail-bone: (TA:) or the place in which is set the tail of the horse; dual as above: (Msb:) or the bone upon which are the two buttocks: (Mgh: [there thus expl. in relation to a man:]) or the bone in which is the place of setting of the tail-bone; thus expl. by IDrd: or the صَلَوَانِ are the two bones projecting from the two sides of the rump: or, accord. to some of the lexicologists, two veins (عِرْقَانِ) in the place of the رِدْف [i. e. in the rump ]: (Ham p. 46:) the pl. is صَلَوَاتٌ, (M, K,) an instance of a pl. formed by the addition of ا and ت from a masc. sing., (M,) and أَصْلَاآءٌ. (M, K.) ― -b2- [Hence,] one says, جِئْتُ فِى أَصْلَائِهِمْ, meaning I came at their rears. (TA.)