Found 2 items, similar to Marl.
English → English (WordNet) Definition: marl marl n : a loose and crumbling earthy deposit consisting mainly of calcite or dolomite; used as a fertilizer for soils deficient in lime
English → English (gcide) Definition: Marl 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] Marl \Marl\, v. t. [See Marline.] (Naut.) To cover, as part of a rope, with marline, marking a pecular hitch at each turn to prevent unwinding. [1913 Webster] Marling spike. (Naut.) See under Marline. [1913 Webster] Marl \Marl\, n. [OF. marle, F. marne, LL. margila, dim. of L. marga marl. Originally a Celtic word, according to Pliny, xvii. 7: ``Quod genus terr[ae] Galli et Britanni margam vocant.'' [root]274.] 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. [1913 Webster]