طين

طِينٌ ذ a word of well-known meaning, (S, Msb, K, TA,) of which ↓ طَانٌ is a dial. var.; (TA;) Clay, earth, mould, soil, or mud: (MA, KL, &c.:) it differs in different layers, or strata, of the earth; the best is the pure, unmixed with sand, remaining after the subsiding of the waters; and the best of this is that of Egypt, which has a peculiar property of preventing plague, or pestilence, and the corruption of water into which it is thrown: it is of several sorts; among which are الطِّينُ المَخْتُومُ [ Terra sigillata, or Lemnian earth ], and الطِّينُ الأَرْمَنِىُّ [ Armenian bole ], &c.: (TA:) ↓ طِينَةٌ has a more particular signification, (S, Msb,) meaning a piece, or portion, thereof, (K, TA,) [as a piece of clay ] with which a [ writing of the kind termed ] صَكّ and the like are sealed. (TA.) [Hence,] شَهْوَةُ الطِّينِ [ The longing for clay; a sort of malacia ]. (TA voce حُمَّاضٌ.) And اِبْنُ الطِّينِ Adam. (T in art. بنى.)