Is “Marl” a Scrabble word?
Yes
MARL
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Marl
/mɑːl/
noun
1.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.
Synonyms: marlstone
verb
1.To cover with the earthy substance called marl.