The Collaborative International Dictionary of English v.0.48:

Grass \Grass\, v. t. [imp. & p. p. Grassed; p. pr. & vb. n.
   Grassing.]
   1. To cover with grass or with turf.
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   2. To expose, as flax, on the grass for bleaching, etc.
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   3. To bring to the grass or ground; to land; as, to grass a
      fish. [Colloq.]
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