Loess

n.

1.

(Geol.) A quaternary deposit, usually consisting of a fine yellowish earth, on the banks of the Rhine and other large rivers.

Noun

1.

loess - a fine-grained unstratified accumulation of clay and silt deposited by the wind

alluvion, alluvium, ash, cinder, clinker, debris, deposit, deposition, deposits, detritus, diluvium, draff, dregs, drift, dross, ember, feces, froth, grounds, lees, moraine, offscum, precipitate, precipitation, scoria, scree, scum, sediment, settlings, silt, sinter, slag, smut, soot, sublimate