- (Received Pronunciation) enPR: mäl, IPA(key): /mɑːl/
- (General American) enPR: märl, IPA(key): /mɑɹl/
- Rhymes: -ɑː(ɹ)l
- A mixed earthy substance, consisting of carbonate of lime, clay, and possibly sand, in very variable proportions, and accordingly designated as calcareous, clayey, or sandy.
- 1955, Robert Herman Bogue, The chemistry of portland cement, page 39:
- Important marl and marine-shell deposits are worked in Michigan, Virginia, and Florida.
- 2004, Peter Porter, “Why Did Dante Pick on Suicides”, in Afterburner:
- Those loved unhappy shades whom Dante turned / To sticks and marl
a mixed earthy substance
- To cover, as part of a rope, with marline, marking a peculiar hitch at each turn to prevent unwinding.