Dictionary
di•lu•vi•al
Pronunciation: (di-lOO'vē-ul), [key]—
adj.
1. pertaining to or caused by a flood or deluge.
2. Geol. Now Rare.pertaining to or consisting of diluvium.
Also,di•lu'vi•an.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.