dike
131February fill-dike — noun A rural appellation for the month of February, when rain or melting snow fills dykes with water. Regarding the season, there is an old proverb worthy noticing: February fill dike, be it black or be it white …
132Helm's Dike — The defensive dike of the Deeping coomb. The great defensive earthwork that ran across the Deeping coomb, as part of the defences of the Hornburg and Helm s Deep …