diluvial Meaning, Definition & Usage

  1. adjective of or connected with a deluge
    diluvian.

WordNet

Di*lu"vi*al adjective
Etymology
L. diluvialis. fr. diluvium.
Definitions
  1. Of or pertaining to a flood or deluge, esp. to the great deluge in the days of Noah; diluvian.
  2. (Geol.) Effected or produced by a flood or deluge of water; -- said of coarse and imperfectly stratified deposits along ancient or existing water courses. Similar unstratified deposits were formed by the agency of ice. The time of deposition has been called the Diluvian epoch.

Webster 1913