DICT.TW Dictionary Taiwan

 marl /ˈmɑr(ə)l/
 泥灰,泥灰土,土(vt.)撒泥灰土

 Marl v. t.  Naut. To cover, as part of a rope, with marline, marking a pecular hitch at each turn to prevent unwinding.
 Marling spike. Naut. See under Marline.

 Marl, n.  A mixed earthy substance, consisting of carbonate of lime, clay, and sand, in very variable proportions, and accordingly designated as calcareous, clayey, or sandy. See Greensand.

 Marl, v. t. [imp. & p. p. Marled p. pr. & vb. n. Marling.]  To overspread or manure with marl; as, to marl a field.
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 marl
      n : a loose and crumbling earthy deposit consisting mainly of
          calcite or dolomite; used as a fertilizer for soils
          deficient in lime