The Collaborative International Dictionary of English.
abluvion — † aˈbluvion Obs. 0 [ad. med.L. ablūviōn em for ablūvium, f. ab away + luĕre to wash. Cf. alluvion.] That which is washed away. Webster and Worcester cite Dwight … Useful english dictionary
abluvion — noun That which is washed off. Dwight … Wiktionary