superflood

English

Etymology

super- +‎ flood

Noun

superflood (plural superfloods)

  1. A very large, devastating flood, especially one caused by the melting of a glacier-dammed lake.
    • 1935, United States. Congress. Senate. Committee on Flood Control, Flood Control in the Mississippi Valley, page 315:
      Under this plan, in the event of a superflood, New Orleans will have protection through the Bonnet Carre spillway, carrying a half million second feet of water.
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