watercourse

A natural or artificial channel through which water flows.

A stream or river.

A stream of water; a river or brook.

A channel or canal made for the conveyance of water, or serving for conveyance by water.

In law, a stream of water, usually flowing in a definite channel having a bed and sides or banks, and usually discharging itself into some other stream or body of water. Bigelow.

One of the holes in floor or other plates to permit water to flow through.

A stream of water; a river or brook.

A natural channel for water; also, a canal for the conveyance of water, especially in draining lands.

A running stream of water having a bed and banks; the easement one may have in the flowing of such a stream in its accustomed course. A water course may be sometimes dry.

any channel, either natural or artificial, through which water flows