Also found in: Thesaurus, Acronyms, Encyclopedia, Wikipedia.
Related to marl: Marlboro
A crumbly mixture of clays, calcium and magnesium carbonates, and remnants of shells that is sometimes found under desert sands and used as fertilizer for lime-deficient soils.
tr.v. marled, marl·ing, marls
To fertilize with such a mixture.
[Middle English marle, from Old French, from Medieval Latin margila, marla, diminutive of Latin marga, marl, of Celtic origin.]
(Geological Science) a fine-grained sedimentary rock consisting of clay minerals, calcite or aragonite, and silt: used as a fertilizer
(Agriculture) (tr) to fertilize (land) with marl
[C14: via Old French, from Late Latin margila, diminutive of Latin marga]
marlacious, ˈmarly adj
(Nautical Terms) nautical to seize (a rope) with marline, using a hitch at each turn
[C15 marlyn to bind; related to Dutch marlen to tie, Old English mārels cable]
1. a friable earthy deposit consisting of clay and calcium carbonate, used esp. as a fertilizer for soils deficient in lime.
2. Archaic. earth.v.t.
3. to fertilize with marl.
[1325–75; Middle English marle < Old French < Medieval Latin margila]
to wind (a rope) with marline.
[1400–50; late Middle English marlyn to ensnare; akin to Old English mārels cable. See moor2]
Past participle: marled