DILUVIUM • FREE TRANSLATOR.ORG • Definition of Diluvium

... has lately excited more curiosity and general interest among geologists and the public than the question of the Antiquity of the Human Race—whether or no we have sufficient evidence in caves, or in the superficial deposits commonly called drift or "diluvium," to prove the former co-existence of man with certain extinct mammalia. For the last half-century the occasional occurrence in various parts of Europe of the bones of Man or the works of his hands in cave-breccias and stalagmites, associated with the remains of the extinct ...

— The Antiquity of Man • Charles Lyell