training wall

English

Noun

training wall (plural training walls)

1. A wall, bank or jetty built to confine and direct the flow of a river, watercourse or tide.
   • 1950 January, “Re-Opening of the Eyemouth Branch”, in Railway Magazine, page 11:

     A training wall of steel-sheet piling driven down 25 ft. now forms the other side of the mill lade.

References

• “training wall”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.