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1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Marl \Marl\, v. t. [imp. & p. p. Marled; p. pr. & vb. n.
      Marling.] [Cf. F. marner. See Marl, n.]
      To overspread or manure with marl; as, to marl a field.
      [1913 Webster]