imbankment

Noun

embankment (plural embankments)

1. A long mound of earth, stone, or similar material, usually built for purposes such as to hold back or store water, for protection from weather or enemies, or to support a road or railway.
   • The work to be done under these specifications consists in furnishing all materials and erecting a stone embankment, an earth embankment, and a wharf. The stone embankment will contain about 216,000 tons of stone; the earth embankment about 285,000 cubic yards of broken stone, sand, or other...1886, anonymous author, California Legislature Journal Appendix