[1] : The Collaborative International Dictionary of English v.0.48

soil \soil\ soil, v. t. imp.  p. p. soiled soild; p. pr.
    vb. n. soiling. of. saoler, saouler, to satiate, f.
   so^uler, l. satullare, fr. satullus, dim. of satur sated.
   see satire.
   to feed, as cattle or horses, in the barn or an inclosure,
   with fresh grass or green food cut for them, instead of
   sending them out to pasture; hence such food having the
   effect of purging them, to purge by feeding on green food;
   as, to soil a horse.
   1913 webster
see also:
soiled soiling satire 

[2] : The Collaborative International Dictionary of English v.0.48

soil \soil\, n. oe. soile, f. sol, fr. l. solum bottom, soil;
   but the word has probably been influenced in form by soil a
   miry place. cf. saloon, soil a miry place, sole of the
   foot.
   1. the upper stratum of the earth; the mold, or that compound
      substance which furnishes nutriment to plants, or which is
      particularly adapted to support and nourish them.
      1913 webster

   2. land; country.
      1913 webster

            must i thus leave thee, paradise? thus leave
            thee, native soil?                    --milton.
      1913 webster

   3. dung; faeces; compost; manure; as, night soil.
      1913 webster

            improve land by dung and other sort of soils.
                                                  --mortimer.
      1913 webster

   soil pipe, a pipe or drain for carrying off night soil.
      1913 webster
see also:
saloon soil sole soil pipe 

[3] : The Collaborative International Dictionary of English v.0.48

soil \soil\, v. t.oe. soilen, of. soillier, f. souiller,
   assumed ll. suculare, fr. l. sucula a little pig, dim. of
   sus a swine. see sow, n.
   1. to make dirty or unclean on the surface; to foul; to
      dirty; to defile; as, to soil a garment with dust.
      1913 webster

            our wonted ornaments now soiled and stained.
                                                  --milton.
      1913 webster

   2. to stain or mar, as with infamy or disgrace; to tarnish;
      to sully. --shak.
      1913 webster

   syn: to foul; dirt; dirty; begrime; bemire; bespatter;
        besmear; daub; bedaub; stain; tarnish; sully; defile;
        pollute.
        1913 webster
see also:
sow 

[4] : The Collaborative International Dictionary of English v.0.48

soil \soil\, v. t.
   to enrich with soil or muck; to manure.
   1913 webster

         men . . . soil their ground, not that they love the
         dirt, but that they expect a crop.       --south.
   1913 webster

[5] : The Collaborative International Dictionary of English v.0.48

soil \soil\, v. i.
   to become soiled; as, light colors soil sooner than dark
   ones.
   1913 webster

[6] : The Collaborative International Dictionary of English v.0.48

soil \soil\, n. see soil to make dirty, soil a miry place.
   that which soils or pollutes; a soiled place; spot; stain.
   1913 webster

         a lady's honor . . . will not bear a soil. --dryden.
   1913 webster
see also:
soil 

[7] : The Collaborative International Dictionary of English v.0.48

soil \soil\, n. of. soil, souil, f. souille, from of. soillier,
   f. souiller. see soil to make dirty.
   a marshy or miry place to which a hunted boar resorts for
   refuge; hence, a wet place, stream, or tract of water, sought
   for by other game, as deer.
   1913 webster

         as deer, being stuck, fly through many soils,
         yet still the shaft sticks fast.         --marston.
   1913 webster

   to take soil, to run into the mire or water; hence, to take
      refuge or shelter.
      1913 webster

            o, sir, have you taken soil here? it is well a man
            may reach you after three hours' running. --b.
                                                  jonson.
      1913 webster
see also:
soil to take soil 

[8] : WordNet (r) 2.0

soil
     n 1: the state of being covered with unclean things syn: dirt,
           filth, grime, stain, grease, grunge
     2: the part of the earth's surface consisting of humus and
        disintegrated rock syn: dirt
     3: material in the top layer of the surface of the earth in
        which plants can grow especially with reference to its
        quality or use; "the land had never been plowed"; "good
        agricultural soil" syn: land, ground
     4: the geographical area under the jurisdiction of a sovereign
        state; "american troops were stationed on japanese soil"
        syn: territory
     v : make soiled, filthy, or dirty; "don't soil your clothes when
         you play outside" syn: dirty, begrime, grime, colly,
          bemire ant: clean
see also:
dirt filth grime stain grease grunge 
land ground territory dirty begrime 
colly bemire clean 

[9] : Moby Thesaurus II by Grady Ward, 1.0

185 moby thesaurus words for "soil":
   abuse, acres, adobe, airspace, alluvion, alluvium, arable land,
   area, attaint, bedaub, befoul, begrime, belt, benasty, besmear,
   besmirch, besmoke, besmutch, besoil, bespatter, bestain, betray,
   black, blacken, blot, blotch, blow upon, blur, bole, brand,
   call names, censure, china clay, clay, clod, confines, contaminate,
   continental shelf, corridor, corrupt, country, crust, darken, daub,
   debauch, deceive, defame, defile, deflower, demoralize, denigrate,
   department, despoil, dirt, dirty, disapprove, discolor, disgrace,
   disparage, district, division, drabble, draggle, dregs, dry land,
   dust, earth, engage in personalities, environs, excrement, expose,
   expose to infamy, filth, force, foul, freehold, gibbet, glebe,
   grassland, ground, gumbo, hang in effigy, heap dirt upon,
   heartland, hinterland, humus, kaolin, land, landholdings,
   lead astray, lithosphere, loam, loess, marginal land, mark, marl,
   mess, milieu, mire, mislead, mold, motherland, muck, muckrake,
   mucky, mud, muddy, murk, nasty, neighborhood, offshore rights,
   part, parts, pillory, place, pollute, porcelain clay, precincts,
   premises, purlieus, quarter, rape, ravage, ravish, real estate,
   real property, red clay, refuse, region, regolith, reprimand,
   revile, ruin, salient, sand, scorch, sear, section, seduce, silt,
   singe, slubber, sludge, slur, smear, smirch, smoke, smooch, smouch,
   smudge, smut, smutch, sod, soilage, soilure, space, spoil, spot,
   stain, stigmatize, subaerial deposit, subsoil, sully, taint, tar,
   tarnish, terra, terra firma, terrain, territory, the country,
   three-mile limit, throw mud at, till, topsoil, turf,
   twelve-mile limit, vicinage, vicinity, vilify, violate, vitiate,
   waste matter, woodland, zone

[10] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

soil. the superficies of the earth on which buildings are erected, or may be 
erected. 
     2. the soil is the principal, and the building, when erected, is the 
accessory. vide dig. 6, 1, 49. 

Soil >> S Words
Soil, definition of term: Soil
soil_pag1.html

Soil Erosion >> S Words
Soil Erosion, definition of term: Soil Erosion
soil+erosion_pag1.html

Soil Conservati >> S Words
Soil Conservati, definition of term: Soil Conservati
soil+conservati_pag1.html