سن

سِنْسِنٌ ذ The edge (S, M, L, K) of a vertebra (S, M, L) or of the vertebræ (K) of the back; (S, M, L, K;) as also ↓ سِنْسِنَةٌ and ↓ سِنٌّ: (M, L, K:) pl. سَنَاسِنُ: (S, L:) and the head [ of any ] of the bones of the breast: and the extremity of the rib in the breast: (K:) or, as some say, سَنَاسِنُ signifies the heads of the extremities of the bones of the breast, which are the soft heads of the bones of the زَوْر: or the extremities of the ribs in the breast: or, of a horse, the prominent [ ribs, or anterior parts of the ribs, called ] جَوَانِح, resembling the ضُلُوع, but stopping short of the ضُلُوع: (M, L:) or the upper part of the hump of a camel: (Ham p. 689:) [or the middle of the lower part of the hump; for,] accord. to Az, لَحْمُ سَنَاسِنِ البَعِيرِ signifies the flesh that is between the two sides, or halves, of the hump of the camel; which is the best of the sorts of flesh, and is marbled with fat: (L:) or سَنَاسِنُ signifies bones [in general]; as also شَنَاشِنُ: (IAar, L:) and (S) accord. to Ibn-'Amr [or Aboo-'Amr?] and others, (L,) it signifies the heads of the مَحَالَة [app. here meaning vertebræ ]; (S, L;) and [it is also said that the sing.] سِنْسِنٌ signifies the head of the مَحَالَة [which signifies a vertebra as well as vertebræ, or is more correctly without ة when applied to the latter]. (K.) -A2- Also Thirst. (K.)