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superflood

noun

superflood

noun

Etymology From super- + flood.

1

A very large, devastating flood, especially one caused by the melting of a glacier-dammed lake.

  • 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.1935, United States. Congress. Senate. Committee on Flood Control, Flood Control in the Mississippi Valley, page 315:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.