Haustus
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Lat. In the civil law. A species of servitude, consisting in the right to draw water from another's well or spring, in which the iter, (right of way to the well or spring,) so far as it is necessary, is tacitly included.
Dig. 8, 3, 1; Mackeld. Rom. Law, § 318.