اتن

أَتَانٌ ذ (T, S, M, Msb, K) and ↓ اـِتَانٌ, (K,) but one should not say أَتَانَةٌ, (ISk, S, Msb,) or this is of rare occurrence, (K,) occurring in certain of the trads., (IAth,) A she-ass [ domestic or wild ]: (S, M, Msb, K:) pl. (of pauc., T, S, Msb) اآتُنٌ and (of mult., T, S, Msb) أُتُنٌ (T, S, M, Msb, K) and أُتْنٌ and (quasi-pl. n., M) ↓ مَأْتُونَاآءُ. (S, M, K.) ― -b2- Hence, أَتَانٌ signifies (tropical:) A foolish and soft or weak woman; as being likened to a she-ass. (TA.) ― -b3- Also The station of the drawer of water at the mouth of the well; (S, M, K;) and so ↓ اـِتَانٌ. (M, K.) And A rock, or great mass of stone, (AA, T, S, M,) in water; (AA, T, M;) or, as some say, at the bottom of the casing of a well, so that it is next the water. (AA, T.) And A large, round mass of rock, which, when it is in shallow water, is called أَتَانُ الضَّحلِ; and a she camel is likened thereto, in respect of her hardness: (S:) or أَتَانُ الضَّحلِ signifies a large mass of rock projecting from the water. (T:) or a mass of rock, (M, K, TA,) large and round, in the water, (TA,) at the mouth of the well, overspread with [ the green substance called ] طُحْلُب, so that it is smooth, (M, K, TA,) more smooth than other parts: (M, TA:) or a mass of rock, part of which is immerged (غَامِرٌ, M, K) in the water, (K,) and part apparent. (M, K.) And أَتَانُ الثَّمِيلِ signifies A large mass of rock in the interior of the water-course, which nothing raises or moves, of the measure of the stature of a man in length and likewise in breadth. (ISh.) ― -b4- Also The [ piece of wood called ] قَاعِدَة [ which is one of four forming the support ] of the فَوْدَج [more commonly called هَوْدَج, q. v.]: pl. اآتُنٌ, (K, TA,) with medd. (TA: [but in the CK اُتُنٌ.])