The water which naturally falls from the clouds. 2. No one has a right to build his house so as to cause the rain water to fall over his neighbor’s land; Action upon the case for a nuisance, A; unless he has acquired a right by a grant or prescription. 3. When the land remains in a state of nature, says a learned writer, and by the natural descent, the rain water would descend from the superior estate over the lower, the latter is necessarily subject to receive such water.