Of water: Having a headlong course, flowing precipitously. Of rain (Scottish): Pouring. Obsolete.

Of waves, a stream, a storm, etc.: Violent, rough. Obsolete.

That flows swiftly; that moves at a high speed. Now typically with reference to rivers or other flowing water.

Impetuous, precipitate; wilful, headstrong, unruly; capricious. In early use also: excessively or… Of a body of water: flowing quickly or…

Of running water: Swift, rapid.