سَبَحَةٌ نَشَّاشَةٌ

, (S, A, K,) and ↓ نَشَاشَةٌ, (Az, TA,) A tract of salt land of which the moisture [or, as in a copy of the A, the earth,] does not dry up, nor its pasture, or herbage, grow: (A, K:) or what appears of the water of salt lands, and begins to sink therein, so that it becomes salt. (S.)