To dig an artificial waterway in or to (a place), especially for drainage
To travel along a canal by boat
A tubular channel within the body.
An artificial waterway or artificially improved river used for travel, shipping, or irrigation.
One of the faint, hazy markings resembling straight lines on early telescopic images of the surface of Mars.
To divide into catchment areas.
Any structure or land feature which catches and holds water; the collection of such water.
A catchment area, or the people it serves.