[soil] vb [ME, fr. OF souillier to wallow, soil, fr. soil abyss, pigpen, prob. fr. L solium chair, bathtub ; akin to L sedere to sit--more at sit] vt (13c) 1: to stain or defile morally: corrupt, pollute
2: to make unclean esp. superficially: dirty
3: to blacken or besmirch (as a person's reputation) by word or deed ~ vi: to become soiled or dirty
[2]soil n (1501) 1 a: soilage, stain "protect a dress from ~" b: moral defilement: corruption
2: something that spoils or pollutes: as a: refuse b: sewage c: dung, excrement [3]soil n [ME, fr. AF, prob. fr. L solium chair] (14c) 1: firm land: earth
2. a: the upper layer of earth that may be dug or plowed and in which plants grow b: the superficial unconsolidated and usu. weathered part of the mantle of a planet and esp. of the earth
3: country, land "our native ~"
4: the agricultural life or calling
5: a medium in which something takes hold and develops [4]soil vt [origin unknown] (1605): to feed (livestock) in the barn or an enclosure with fresh grass or green food; also: to purge (livestock) by feeding on green food