di|lu|vi|um

di|lu|vi|um «duh LOO vee uhm, dy-», noun, plural -vi|a «-vee uh».

Geology. a coarse, superficial deposit formed by glacial action, once thought to be due to floods.

╂[< Latin dailuvium < dīluere < dis- apart + luere wash. See etym of doublet deluge. (Cf. ↑deluge)]