Hypertext Webster Gateway: "marl"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
{Marling spike}. (Naut.) See under {Marline}.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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 varivble proportions, and accordingly
designated as calcareous, clayey, or sandy. See {Greensand}.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Greensand \Green"sand`\ (-s?nd`), n. (Geol.)
A variety of sandstone, usually imperfectly consolidated,
consisting largely of glauconite, a silicate of iron and
potash of a green color, mixed with sand and a trace of
phosphate of lime.
Note: [hand]Greensand is often called {marl}, because it is a
useful fertilizer. The greensand beds of the American
Cretaceous belong mostly to the Upper Cretaceous.
From WordNet (r) 1.7 (wn)
marl
n : a loose and crumbling earthy deposit consisting mainly of
calcite or dolomite; used as a fertilizer for soils
deficient in lime
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.