Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine
1. Foul matter; anything that soils or defiles; dirt; nastiness.
2. Anything that sullies or defiles the moral nature; corruption; pollution. "To purify the soul from the dross and filth of sensual delights.
" (Tillotson) Filth malady, a malady supposed to be due to pollution of the soil or water.
Origin: OE. Filthe, fuloe, AS. Flo, fr. Ful foul; akin to OHG. Fulida. See Foul, and cf. File.
Source: Websters Vocabulary