flood wall

noun

Civil Engineering. a wall built along a shore or bank to prevent floods by giving a raised, uniform freeboard and by allowing unimpeded flow to water in a channel.

First recorded in 1950–55

The smaller “Flood Wall Street” eschewed the big-tent approach and focused on radical politics and aggressive activism.

The same sensational rumors of a great rise to come flood Wall and State streets as in 1901.

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