دَاحٍ
1.
[act. particle n. of 1].
اَللّٰهُمَّ دَاحِىَ المَدْحُوَّاتِ, in a prayer of 'Alee, means O God, the Spreader and Expander of the [seven] earths: (TA:) المَدْحُوَّاتٌ [properly] signifies the things that are spread, &c.; as also
المَدْحِيَّاتٌ. (TA in article دحى.)
2.
المَطَرَ الدَّاحِى
The rain that removes [or drives] the pebbles from the surface of the earth. (TA.)