An inundation or flood.

What is the meaning antediluvian?

1 : of or relating to the period before the flood described in the Bible. 2a : made, evolved, or developed a long time ago an antediluvian automobile that antediluvian relic known as a slide rule.

What does Diluvian mean in the Bible?

Late Latin diluvialis means "flood." It's from Latin diluere ("to wash away") and ultimately from "lavere" ("to wash"). English "diluvial" and its variant "diluvian" initially referred to the Biblical Flood. ... They also used "antediluvian" and "postdiluvian" to describe the periods before and after the Flood.