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.
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         As deer, being stuck, fly through many soils,
         Yet still the shaft sticks fast.         --Marston.
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   To take soil, to run into the mire or water; hence, to take
      refuge or shelter.
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            O, sir, have you taken soil here? It is well a man
            may reach you after three hours' running. --B.
                                                  Jonson.
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