GNU Collaborative International Dictionary of English

last match results

Found one definition

1.       
   Diluvium , n.; pl. E. Diluviums , L. Diluvia . [L. diluvium. See Dilute, Deluge.] (Geol.) A deposit of superficial loam, sand, gravel, stones, etc., caused by former action of flowing waters, or the melting of glacial ice.
   1913 Webster
   ☞ The accumulation of matter by the ordinary operation of water is termed alluvium.
   1913 Webster