a supposed global flood that took place in the early 1800's which reset all of civilisation, according to some conspiracy theorists

Alternative form of flood tide

plural of flood-tide

A flood event that has a 1% probability of occurring in any given year; an exceptionally large flood.

plural of 100-year flood

plural of flood plain toadlet

A myobatrachid frog, Uperoleia inundata, endemic to central northern Australia.

The rapid draining of a lake created by a dam of glacial ice, wherein the lake water undermines the glacier plugging the outlet, leading to a flood.