'Right of drain' definitions:

Definition of 'Right of drain'

From: GCIDE

Drain \Drain\, n.
1. The act of draining, or of drawing off; gradual and continuous outflow or withdrawal; as, the drain of specie from a country; the project is a drain on resources. [1913 Webster]
2. That means of which anything is drained; a channel; a trench; a water course; a sewer; a sink. [1913 Webster]
3. pl. The grain from the mashing tub; as, brewers' drains. [Eng.] --Halliwell. [1913 Webster]
Box drain, Counter drain. See under Box, Counter.
Right of drain (Law), an easement or servitude by which one man has a right to convey water in pipes through or over the estate of another. --Kent. [1913 Webster]